Counting down to the annual deer release, which could get shut down if a government inspection doesn't go according to plan; the staff scramble to help a hawk with a broken beak and vaccinate the raccoon unit against a potentially deadly virus.

Getting ready to say goodbye to a group of contestants, who are primed and ready for their last shot at taking home the 10,000 pounds; checking who wins the day and all those shiny coins packed into the giant exclamation point.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

A collection of 1970s dolls with eyes that change color, made by Blythe's Boutique company; medals awarded to participants in the Easter Rising.

The Roadshow returns to Woodhorn Museum in Northumberland, a former colliery that tells the story of coal mining and the miners' way of life in the north east of England; Wayne Colquhoun is thrilled to see a quirky piece of local movie memorabilia.

It's Cake Week, and the bakers are challenged to produce a layer cake, a chocolate cake and a sponge showstopper that features a menagerie of animals.

Brenda and Peter have two young daughters and love their Minneapolis neighborhood, but they've outgrown their home, and they need Mike's expertise as they view the new houses they're considering, hoping to pick the best home for their family.

Triangle shaped hovering objects are seen by thousands of people and investigated by scientists and government officials, yet they could never be explained; the sightings occurred in a more than two year wave over Belgium, beginning in late 1989.

When a devoted mother vanishes from home, a series of grisly roadside discoveries take police on a hunt for a killer; detectives follow a path of greed and desperation until a shocking twist leads to a culprit with a bizarre motive.

A teenager stuns his friends with a vampiric transformation; a man witnesses a possible alien invasion in California; a popular new app leads a Canadian college student to a haunted location.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

Examining mankind's fascination with the dead, from ancient civilizations to 20th-century empires, and the possible reasons for that focus.

Examining some of the most devastating plagues in human history, as well the scientific advances to combat these diseases, including the development of Edward Jenner's vaccine for smallpox in the 1790s.

As Mike and Alison welcome the first guests to the new B&B, Pat recalls holiday memories.

Mary finally finds her voice, and Kitty teaches the Captain about living in the moment.

The ghosts' thoughtless behavior sends Alison into meltdown, and they seek forgiveness.

A booking mix-up sees Mike and Alison forced to host a last-minute children's party.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

When a devoted mother vanishes from home, a series of grisly roadside discoveries take police on a hunt for a killer; detectives follow a path of greed and desperation until a shocking twist leads to a culprit with a bizarre motive.

A teenager stuns his friends with a vampiric transformation; a man witnesses a possible alien invasion in California; a popular new app leads a Canadian college student to a haunted location.

Triangle shaped hovering objects are seen by thousands of people and investigated by scientists and government officials, yet they could never be explained; the sightings occurred in a more than two year wave over Belgium, beginning in late 1989.

Examining mankind's fascination with the dead, from ancient civilizations to 20th-century empires, and the possible reasons for that focus.

Examining some of the most devastating plagues in human history, as well the scientific advances to combat these diseases, including the development of Edward Jenner's vaccine for smallpox in the 1790s.

A weird white dome appears over a valley that is famous for UFO sightings; engineers try to work out why a huge bridge collapses on a clear blue day; why square waves in the sea are a sign to get out of the water.

As Mike and Alison welcome the first guests to the new B&B, Pat recalls holiday memories.

Mary finally finds her voice, and Kitty teaches the Captain about living in the moment.

The ghosts' thoughtless behavior sends Alison into meltdown, and they seek forgiveness.

A booking mix-up sees Mike and Alison forced to host a last-minute children's party.

A weird white dome appears over a valley that is famous for UFO sightings; engineers try to work out why a huge bridge collapses on a clear blue day; why square waves in the sea are a sign to get out of the water.

A cat-loving and recently divorced young woman dipping her toes back in the dating game is beaten and strangled in a brutal and unusual way; investigators dive into the murky world of online dating to hunt a killer who could be ready to strike again.

A teenager stuns his friends with a vampiric transformation; a man witnesses a possible alien invasion in California; a popular new app leads a Canadian college student to a haunted location.

With all the secrets, lies, greed, and infidelity, Ernie and Charlene Scherer's American-dream life was not exactly what it seemed like; a look into how the exposure of their dangerous double life led to one last fatal gamble.

Examining mankind's fascination with the dead, from ancient civilizations to 20th-century empires, and the possible reasons for that focus.

Examining some of the most devastating plagues in human history, as well the scientific advances to combat these diseases, including the development of Edward Jenner's vaccine for smallpox in the 1790s.

When a devoted mother vanishes from home, a series of grisly roadside discoveries take police on a hunt for a killer; detectives follow a path of greed and desperation until a shocking twist leads to a culprit with a bizarre motive.

Splitting the costs of fixing a leaky porch on a house shared by two couples.

Renovation expert Mike Holmes tries to save Barb's home renovation project from a former contractors sloppy work.

Julie and Amanda give a giant stuffed lion, his pride back for a special anniversary; Steve unsticks a vintage cash register that contains a secret; Richard brings a harbourmaster's telescope back into focus.

The coastal metropolis of Miami faces a triple threat of crumbling limestone bedrock, ferocious superstorms and relentless rising oceans.

When a devoted mother vanishes from home, a series of grisly roadside discoveries take police on a hunt for a killer; detectives follow a path of greed and desperation until a shocking twist leads to a culprit with a bizarre motive.

Scratching the surface of Edward Shin's existence and seeing how the sociopath hid under a squeaky-clean exterior before his business partner, Chris Smith, started to dig up the truth.

When a pampered pet runs away from a life of luxury, Frank and Lu are tasked with tracking down the hound.

When a LARP battle in the woods goes wrong, Lu and Frank must clear the queen's name and catch the culprit.

Severe flooding forces families across Europe onto their rooftops; a Nepali avalanche; deadly wildfires in the Sierra Nevada; an eastern U.S. whiteout that strands motorists for 24 hours in their cars.

The coastal metropolis of Miami faces a triple threat of crumbling limestone bedrock, ferocious superstorms and relentless rising oceans.

Mike and crew make an emergency house call to Fred and Sara's diminutive, historical two-storey; gaping holes in their seemingly solid home inspection have led to a high-stakes repair mission for Damon and the construction team.

Returning to Fred and Sara's petite historical home, where inspection misses have launched a rescue mission; Damon and the crew are tested by leaks, mould, foundation holes, dangerous fireplaces, shocking electrical and a plumbing disaster.

Getting ready to say goodbye to a group of contestants, who are primed and ready for their last shot at taking home the 10,000 pounds; checking who wins the day and all those shiny coins packed into the giant exclamation point.

A question on US state capitals; a tense showdown over extinct animals; a James Bond fan who outwits and outguns the competition to snag the first 10,000-pound win of the series.

Following the debate about Egypt's visionary warrior king, who ruled the country for more than 60 years; learning why scholars can't pin down the origin of his wife, Nefertiti and dig into the strange circumstances surrounding his death at age 90.

Julie and Amanda give a giant stuffed lion, his pride back for a special anniversary; Steve unsticks a vintage cash register that contains a secret; Richard brings a harbourmaster's telescope back into focus.

Experts uncover four global stories of extraordinary curiosities that were once concealed in the deserts of the planet.

Following the debate about Egypt's visionary warrior king, who ruled the country for more than 60 years; learning why scholars can't pin down the origin of his wife, Nefertiti and dig into the strange circumstances surrounding his death at age 90.

A tornado bears down on a man and his dog in a New Jersey basement; holding back wildfires with a new homeowner in Australia; a Colorado hailstorm; a Norwegian boxer punches his way through deadly ice.

Experts uncover four global stories of extraordinary curiosities that were once concealed in the deserts of the planet.

When a pampered pet runs away from a life of luxury, Frank and Lu are tasked with tracking down the hound.

When a LARP battle in the woods goes wrong, Lu and Frank must clear the queen's name and catch the culprit.

Severe flooding forces families across Europe onto their rooftops; a Nepali avalanche; deadly wildfires in the Sierra Nevada; an eastern U.S. whiteout that strands motorists for 24 hours in their cars.

Julie and Amanda give a giant stuffed lion, his pride back for a special anniversary; Steve unsticks a vintage cash register that contains a secret; Richard brings a harbourmaster's telescope back into focus.

As Mike and Alison welcome the first guests to the new B&B, Pat recalls holiday memories.

Mary finally finds her voice, and Kitty teaches the Captain about living in the moment.

The ghosts' thoughtless behavior sends Alison into meltdown, and they seek forgiveness.

A booking mix-up sees Mike and Alison forced to host a last-minute children's party.

A Tennessee man may have captured footage of the infamous Dogman creature without realizing it; communicating with extraterrestrials using a laser pointer; a giant structure at the bottom of a lake may be an underwater Stonehenge.

A large black creature emerging from a family's toilet could be some kind of mythical creature; an eerie radio station may secretly be part of a Russian military plan; an astronaut sees something out the window of the International Space Station.

A murderous spirit toys with a paranormal investigator trapped in a closet; a shadow figure makes itself at home in Chile; a dead man waves at his family members through his coffin window.

Zoom in on some otherworldly sights; spot a giant glacier on the Red Planet, let the milky seas off the coast of Java bathe your vision, ponder a huge hexagon floating above Saturn and take a spin around a doughnut-shaped lake in Saskatchewan.

A shadowy entity roams the halls of an abandoned South Dakota high school; an evening stroll with the family pooch turns into an extraterrestrial encounter; blood-curdling screams rain from the skies during a Texas thunderstorm.

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.

Guest comic Tiffany Haddish.

Guest comic Kaila Mullady.

Triangle shaped hovering objects are seen by thousands of people and investigated by scientists and government officials, yet they could never be explained; the sightings occurred in a more than two year wave over Belgium, beginning in late 1989.

A cat-loving and recently divorced young woman dipping her toes back in the dating game is beaten and strangled in a brutal and unusual way; investigators dive into the murky world of online dating to hunt a killer who could be ready to strike again.

A murderous spirit toys with a paranormal investigator trapped in a closet; a shadow figure makes itself at home in Chile; a dead man waves at his family members through his coffin window.

A shadowy entity roams the halls of an abandoned South Dakota high school; an evening stroll with the family pooch turns into an extraterrestrial encounter; blood-curdling screams rain from the skies during a Texas thunderstorm.

A Tennessee man may have captured footage of the infamous Dogman creature without realizing it; communicating with extraterrestrials using a laser pointer; a giant structure at the bottom of a lake may be an underwater Stonehenge.

A large black creature emerging from a family's toilet could be some kind of mythical creature; an eerie radio station may secretly be part of a Russian military plan; an astronaut sees something out the window of the International Space Station.

Explores strongholds abandoned by their architects; a lost city in the Amazon jungle; a desert fortress made by humanity's most notorious empire; explores a city of identical castles; examines a Greek isle's bloody history from the air.

Investigating significant historic and contemporary sites from the revealing vantage points of drone, satellite and aerial photography.

According to the Greek philosopher Plato, the lost continent of Atlantis was once home to an advanced civilization before it was destroyed in a cataclysm; for centuries, archaeologists have tried to uncover evidence to prove that this legend is true.

For centuries, humanity has been compelled to build remarkable structures that are much more than simple places of shelter or work.

Investigating significant historic and contemporary sites from the revealing vantage points of drone, satellite and aerial photography.

Explores strongholds abandoned by their architects; a lost city in the Amazon jungle; a desert fortress made by humanity's most notorious empire; explores a city of identical castles; examines a Greek isle's bloody history from the air.

A murderous spirit toys with a paranormal investigator trapped in a closet; a shadow figure makes itself at home in Chile; a dead man waves at his family members through his coffin window.

According to the Greek philosopher Plato, the lost continent of Atlantis was once home to an advanced civilization before it was destroyed in a cataclysm; for centuries, archaeologists have tried to uncover evidence to prove that this legend is true.

For centuries, humanity has been compelled to build remarkable structures that are much more than simple places of shelter or work.

A shadowy entity roams the halls of an abandoned South Dakota high school; an evening stroll with the family pooch turns into an extraterrestrial encounter; blood-curdling screams rain from the skies during a Texas thunderstorm.

A Tennessee man may have captured footage of the infamous Dogman creature without realizing it; communicating with extraterrestrials using a laser pointer; a giant structure at the bottom of a lake may be an underwater Stonehenge.

A large black creature emerging from a family's toilet could be some kind of mythical creature; an eerie radio station may secretly be part of a Russian military plan; an astronaut sees something out the window of the International Space Station.

According to the Greek philosopher Plato, the lost continent of Atlantis was once home to an advanced civilization before it was destroyed in a cataclysm; for centuries, archaeologists have tried to uncover evidence to prove that this legend is true.

For centuries, humanity has been compelled to build remarkable structures that are much more than simple places of shelter or work.

When a pampered pet runs away from a life of luxury, Frank and Lu are tasked with tracking down the hound.

When a LARP battle in the woods goes wrong, Lu and Frank must clear the queen's name and catch the culprit.

A sword discovered at the bottom of a river may be the famed Excalibur, wielded by King Arthur himself; a doorbell cam captures possible proof of teleportation; aliens could be visiting a family every Independence Day.

Investigating if a breed of dogs could possess the power to completely freeze time; asking if invisibility cloaking is possible; looking for evidence that aliens crash-landed in Antarctica several millenniums ago.

A petrified creature discovered in Russia is said to be the work of the mythical Baba Yaga; a possible genetic experiment gone wrong; a fire with a mind of its own.

A baby shark develops an eerie, humanlike face; blue lights in the sky may be a sign that the end is coming; possible aliens vacation over Lake Superior.

Stephen Fry discusses a messy mixture of M-themed matters with Sarah Millican, Eddie Kadi, Noel Fielding, and Alan Davies.

Stephen Fry mixes and matches a medley of M-subjects with guests Jo Brand and James Acaster.

Stephen Fry corrects some misconceptions with Sue Perkins, Sara Cox, Chris Addison, and Alan Davies.

A quiz which compensates for the level of difficulty by awarding points not just for correct answers but also for interesting answers, regardless of their relevance to the original question asked.

As Mike and Alison welcome the first guests to the new B&B, Pat recalls holiday memories.

Mary finally finds her voice, and Kitty teaches the Captain about living in the moment.

The ghosts' thoughtless behavior sends Alison into meltdown, and they seek forgiveness.

A booking mix-up sees Mike and Alison forced to host a last-minute children's party.

Zoom in on some otherworldly sights; spot a giant glacier on the Red Planet, let the milky seas off the coast of Java bathe your vision, ponder a huge hexagon floating above Saturn and take a spin around a doughnut-shaped lake in Saskatchewan.

Explores strongholds abandoned by their architects; a lost city in the Amazon jungle; a desert fortress made by humanity's most notorious empire; explores a city of identical castles; examines a Greek isle's bloody history from the air.

When a pampered pet runs away from a life of luxury, Frank and Lu are tasked with tracking down the hound.

When a LARP battle in the woods goes wrong, Lu and Frank must clear the queen's name and catch the culprit.

A sword discovered at the bottom of a river may be the famed Excalibur, wielded by King Arthur himself; a doorbell cam captures possible proof of teleportation; aliens could be visiting a family every Independence Day.

Investigating if a breed of dogs could possess the power to completely freeze time; asking if invisibility cloaking is possible; looking for evidence that aliens crash-landed in Antarctica several millenniums ago.

A petrified creature discovered in Russia is said to be the work of the mythical Baba Yaga; a possible genetic experiment gone wrong; a fire with a mind of its own.

A baby shark develops an eerie, humanlike face; blue lights in the sky may be a sign that the end is coming; possible aliens vacation over Lake Superior.

A collection of 1970s dolls with eyes that change color, made by Blythe's Boutique company; medals awarded to participants in the Easter Rising.

The Roadshow returns to Woodhorn Museum in Northumberland, a former colliery that tells the story of coal mining and the miners' way of life in the north east of England; Wayne Colquhoun is thrilled to see a quirky piece of local movie memorabilia.

As Mike and Alison welcome the first guests to the new B&B, Pat recalls holiday memories.

Mary finally finds her voice, and Kitty teaches the Captain about living in the moment.

The ghosts' thoughtless behavior sends Alison into meltdown, and they seek forgiveness.

A booking mix-up sees Mike and Alison forced to host a last-minute children's party.

A sword discovered at the bottom of a river may be the famed Excalibur, wielded by King Arthur himself; a doorbell cam captures possible proof of teleportation; aliens could be visiting a family every Independence Day.

Investigating if a breed of dogs could possess the power to completely freeze time; asking if invisibility cloaking is possible; looking for evidence that aliens crash-landed in Antarctica several millenniums ago.

A petrified creature discovered in Russia is said to be the work of the mythical Baba Yaga; a possible genetic experiment gone wrong; a fire with a mind of its own.

A baby shark develops an eerie, humanlike face; blue lights in the sky may be a sign that the end is coming; possible aliens vacation over Lake Superior.

Sandi looks at multiple organisms with Nish Kumar, Holly Walsh and Cariad Lloyd.

A quiz which compensates for the level of difficulty by awarding points not just for correct answers but also for interesting answers, regardless of their relevance to the original question asked.

Sandi Toksvigs welcomes guests Bill Bailey, Jan Ravens, Grayson Perry and Alan Davies onto the show to take a look at over and ova.

Sandi Toksvig considers all things odorous and odious, including the world's second-smelliest man, with Sally Phillips, Ross Noble, Nish Kumar and Alan Davies.

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.

A question on US state capitals; a tense showdown over extinct animals; a James Bond fan who outwits and outguns the competition to snag the first 10,000-pound win of the series.

Guest comic Tiffany Haddish.

Guest comic Kaila Mullady.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

A question on US state capitals; a tense showdown over extinct animals; a James Bond fan who outwits and outguns the competition to snag the first 10,000-pound win of the series.

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.

When a pampered pet runs away from a life of luxury, Frank and Lu are tasked with tracking down the hound.

When a LARP battle in the woods goes wrong, Lu and Frank must clear the queen's name and catch the culprit.

Sandi looks at multiple organisms with Nish Kumar, Holly Walsh and Cariad Lloyd.

A quiz which compensates for the level of difficulty by awarding points not just for correct answers but also for interesting answers, regardless of their relevance to the original question asked.

Sandi Toksvigs welcomes guests Bill Bailey, Jan Ravens, Grayson Perry and Alan Davies onto the show to take a look at over and ova.

Brenda and Peter have two young daughters and love their Minneapolis neighborhood, but they've outgrown their home, and they need Mike's expertise as they view the new houses they're considering, hoping to pick the best home for their family.

It's Cake Week, and the bakers are challenged to produce a layer cake, a chocolate cake and a sponge showstopper that features a menagerie of animals.

It's Biscuit Week and the bakers make a marshmallow-based signature challenge, a custard classic in the technical; in an illusion-themed showstopper, the bakers make their favorite meal out of biscuits.

Getting ready to say goodbye to a group of contestants, who are primed and ready for their last shot at taking home the 10,000 pounds; checking who wins the day and all those shiny coins packed into the giant exclamation point.

Jennifer Marshall and author MJ Banias head to West Virginia to investigate reports that the Mothman - a mysterious winged creature first spoken of in 1967 - may be back.

It's Cake Week, and the bakers are challenged to produce a layer cake, a chocolate cake and a sponge showstopper that features a menagerie of animals.

Sandi Toksvig considers all things odorous and odious, including the world's second-smelliest man, with Sally Phillips, Ross Noble, Nish Kumar and Alan Davies.

Sign off.

Getting ready to say goodbye to a group of contestants, who are primed and ready for their last shot at taking home the 10,000 pounds; checking who wins the day and all those shiny coins packed into the giant exclamation point.

A question on US state capitals; a tense showdown over extinct animals; a James Bond fan who outwits and outguns the competition to snag the first 10,000-pound win of the series.

Sandi looks at multiple organisms with Nish Kumar, Holly Walsh and Cariad Lloyd.

A quiz which compensates for the level of difficulty by awarding points not just for correct answers but also for interesting answers, regardless of their relevance to the original question asked.

Sandi Toksvigs welcomes guests Bill Bailey, Jan Ravens, Grayson Perry and Alan Davies onto the show to take a look at over and ova.

Sandi Toksvig considers all things odorous and odious, including the world's second-smelliest man, with Sally Phillips, Ross Noble, Nish Kumar and Alan Davies.

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.

A question on US state capitals; a tense showdown over extinct animals; a James Bond fan who outwits and outguns the competition to snag the first 10,000-pound win of the series.

Vacationers end up trapped in a pool surrounded by fire; a Czech man faces a rare F4 tornado; an animal rescuer works in the aftermath of Hurricane Florence; a kayaker paddles through a pacific storm.

Peek at landmarks in places where they shouldn't be; wing your way over an imperial pyramid in the Netherlands, a metal sphere in remote Russia, a lion shape carved into an English hillside and a bare swath cut through an Austrian forest.

Examine strange relics forgotten by time. Visit a perturbing circle of stone in the Golan Heights, a mountain of headless statues in Turkey, a castle left to crumble in the Saudi Arabian desert, and a time-worn secret in the wilds of Peru.

A contractor walked off the job and declared bankruptcy.

Splitting the costs of fixing a leaky porch on a house shared by two couples.

Taking a look at the case of Sharee, who constantly lied to hide her spending sprees and raunchy online exchanges from her husband. The homemaker manipulated an ex-cop into believing she was being abused before a murder tore their lives apart.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

Lucia restores a cracked 19th-century painting that was a casualty of war; Steven sews up a fix for a tiny stitching machine at the workbench; Brian restores some cool '50s audio technology.

A ghost pranks the staff at a Scottish grocery store; a UFO flies across an airport runway in Puerto Rico; a child-snatching beast is spotted in Bolivia.

A Texas man sees a light anomaly while camping; a glowing orb of energy emerges from a streetlight in Arkansas; communicating with the dead in Kansas.

Guest appearance by Kearran Giovanni; guest comic Jonathan Mangum.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Detectives discover the badly beaten body of a single young woman left bizarrely staged on her bed; fear in the community grows amid a rash of nearby murders until police are handed a break when a fresh look at old evidence points to the killer.

Examining what motivates someone to steal.

A ghost pranks the staff at a Scottish grocery store; a UFO flies across an airport runway in Puerto Rico; a child-snatching beast is spotted in Bolivia.

Unraveling the intricate details of high-profile accidents, from structural collapses to technological failures using cutting-edge 3D animation and CGI to get inside the disaster and identify what went wrong, how and when..

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.

Examining what motivates someone to steal.

Unraveling the intricate details of high-profile accidents, from structural collapses to technological failures using cutting-edge 3D animation and CGI to get inside the disaster and identify what went wrong, how and when..

A Texas man sees a light anomaly while camping; a glowing orb of energy emerges from a streetlight in Arkansas; communicating with the dead in Kansas.

An execution-style shooting of a well-loved, self-made couple; early leads take police down a path of greed and desperation until a paper trail leads to a calculated betrayal shockingly close to home.

Lucia restores a cracked 19th-century painting that was a casualty of war; Steven sews up a fix for a tiny stitching machine at the workbench; Brian restores some cool '50s audio technology.

Detectives discover the badly beaten body of a single young woman left bizarrely staged on her bed; fear in the community grows amid a rash of nearby murders until police are handed a break when a fresh look at old evidence points to the killer.

A ghost pranks the staff at a Scottish grocery store; a UFO flies across an airport runway in Puerto Rico; a child-snatching beast is spotted in Bolivia.

Examining what motivates someone to steal.

The team returns to Portchester Castle in Hampshire on the south coast of England; Mark Smith is stunned to see a Victoria Cross medal, an award for bravery in combat, and hears a story of heroism during World War I.

Fiona Bruce and the team return to the Royal Botanic Garden Edinburgh; two paintings of three-dimensional raindrops by Korean artist Kim Tschang-Yeul.

Lucia restores a cracked 19th-century painting that was a casualty of war; Steven sews up a fix for a tiny stitching machine at the workbench; Brian restores some cool '50s audio technology.

Detectives discover the badly beaten body of a single young woman left bizarrely staged on her bed; fear in the community grows amid a rash of nearby murders until police are handed a break when a fresh look at old evidence points to the killer.

Mike inspects Ryan and Eunice's new home after they discover many problems.

The coastal metropolis of Miami faces a triple threat of crumbling limestone bedrock, ferocious superstorms and relentless rising oceans.

The team returns to Portchester Castle in Hampshire on the south coast of England; Mark Smith is stunned to see a Victoria Cross medal, an award for bravery in combat, and hears a story of heroism during World War I.

Fiona Bruce and the team return to the Royal Botanic Garden Edinburgh; two paintings of three-dimensional raindrops by Korean artist Kim Tschang-Yeul.

Sandi Toksvig considers various odds and ends with Romesh Ranganathan, Matt Lucas, Liza Tarbuck and Alan Davies.

Sara Pascoe, Colin Lane and Jimmy Carr join regular Alan Davies and host Sandi Toksvig for a look at opposites, including how to sort sheep from goats and the opposite of Tarzan.

Host Sandi Toksvig looks at operations with guests Bill Bailey, Katherine Ryan, Rhod Gilbert and Alan Davies.

Jason Manford, Romesh Ranganathan, Holly Walsh and Alan Davies learn the best way to wrap an awkwardly shaped present and get wine stains out of a carpet.

Guest star appearance by Maggie Q; guest comic Nyima Funk.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

Guest appearance by Kearran Giovanni; guest comic Jonathan Mangum.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

The team returns to Portchester Castle in Hampshire on the south coast of England; Mark Smith is stunned to see a Victoria Cross medal, an award for bravery in combat, and hears a story of heroism during World War I.

Fiona Bruce and the team return to the Royal Botanic Garden Edinburgh; two paintings of three-dimensional raindrops by Korean artist Kim Tschang-Yeul.

Follow Hope Swinimer and her team as they rescue, treat, and release injured and orphaned wildlife.

Sandi Toksvig considers various odds and ends with Romesh Ranganathan, Matt Lucas, Liza Tarbuck and Alan Davies.

Sara Pascoe, Colin Lane and Jimmy Carr join regular Alan Davies and host Sandi Toksvig for a look at opposites, including how to sort sheep from goats and the opposite of Tarzan.

Host Sandi Toksvig looks at operations with guests Bill Bailey, Katherine Ryan, Rhod Gilbert and Alan Davies.

Jason Manford, Romesh Ranganathan, Holly Walsh and Alan Davies learn the best way to wrap an awkwardly shaped present and get wine stains out of a carpet.

Follow Hope Swinimer and her team as they rescue, treat, and release injured and orphaned wildlife.

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

The team returns to Portchester Castle in Hampshire on the south coast of England; Mark Smith is stunned to see a Victoria Cross medal, an award for bravery in combat, and hears a story of heroism during World War I.

Fiona Bruce and the team return to the Royal Botanic Garden Edinburgh; two paintings of three-dimensional raindrops by Korean artist Kim Tschang-Yeul.

Proofing makes perfect as contestants mix and knead their dough into cottage loaves, cream-and-jam Devonshire splits and artfully braided centerpieces.

Sisters Michelle and Sonia run Miracles Outreach to house girls who have aged out of the foster program, and they need a new house and Mike's help; Mike assesses their prospective houses to help them find a home that is worth their investment.

On a September morning in 1994, students at a Zimbabwe school witness a silver craft land in a nearby field; numerous adults corroborate the UFO sighting, but the children are silenced; many maintain their account of the incident is true.

An execution-style shooting of a well-loved, self-made couple; early leads take police down a path of greed and desperation until a paper trail leads to a calculated betrayal shockingly close to home.

An elk hunter witnesses two Bigfoots in Canada; a man in Maine sees a shadowy figure while driving down a dark road late at night; poltergeist activity in Malaysia.

Will Kirk and Christina Trevanion take their mobile auction house on the road.

For centuries, legends and eyewitness accounts have told of a massive, hairy creature that roams the forest on two legs.

Stories of mysterious disappearances are compelling and confounding; cases of bizarre happenings, such as Flight MH370 and disappearances in the Bermuda Triangle.

The Captain makes a discovery and the Ghosts find a surprising new friend.

Alison and Mike receive some exciting news about their guesthouse business, but the fallout soon sees tensions running high between the pair as they struggle to deal with particularly demanding guests.

The ghosts treat Alison to a wonderfully festive Christmas present and Pat faces his past.

Alison and Mike, a cash-strapped young couple struggling to buy their first home, think their prayers are answered when a distant relative bequeaths them a large estate, but the old house is haunted by the ghosts of its former inhabitants.

Guest star appearance by Maggie Q; guest comic Nyima Funk.

Improv veterans Ryan Stiles, Wayne Brady and Colin Mochrie return for a new take on the comedy series with host, Aisha Tyler. Each episode, a special guest star joins the comics as they tackle a series of spontaneous improvised sketches, with only a few random ideas from the studio audience and their host. With little information and a lot of imagination, the comics depict a variety of characters and scenes, and even perform songs. At the end of each round, Aisha awards points to each of the four performers and announces a winner at the end of every episode.

An execution-style shooting of a well-loved, self-made couple; early leads take police down a path of greed and desperation until a paper trail leads to a calculated betrayal shockingly close to home.

An elk hunter witnesses two Bigfoots in Canada; a man in Maine sees a shadowy figure while driving down a dark road late at night; poltergeist activity in Malaysia.

On a September morning in 1994, students at a Zimbabwe school witness a silver craft land in a nearby field; numerous adults corroborate the UFO sighting, but the children are silenced; many maintain their account of the incident is true.

For centuries, legends and eyewitness accounts have told of a massive, hairy creature that roams the forest on two legs.

Stories of mysterious disappearances are compelling and confounding; cases of bizarre happenings, such as Flight MH370 and disappearances in the Bermuda Triangle.

A mysterious glowing green entity is seen in Australia's nighttime sky; footage of a twisting fire worm may confirm a local legend about a cave-dwelling super serpent.

The Captain makes a discovery and the Ghosts find a surprising new friend.

Alison and Mike receive some exciting news about their guesthouse business, but the fallout soon sees tensions running high between the pair as they struggle to deal with particularly demanding guests.

The ghosts treat Alison to a wonderfully festive Christmas present and Pat faces his past.

Alison and Mike, a cash-strapped young couple struggling to buy their first home, think their prayers are answered when a distant relative bequeaths them a large estate, but the old house is haunted by the ghosts of its former inhabitants.

A mysterious glowing green entity is seen in Australia's nighttime sky; footage of a twisting fire worm may confirm a local legend about a cave-dwelling super serpent.

Detectives discover the badly beaten body of a single young woman left bizarrely staged on her bed; fear in the community grows amid a rash of nearby murders until police are handed a break when a fresh look at old evidence points to the killer.

An elk hunter witnesses two Bigfoots in Canada; a man in Maine sees a shadowy figure while driving down a dark road late at night; poltergeist activity in Malaysia.

Brett Ryan paves a long road of deception. The serial-lying ex-con hides his bank-robbing past from his fiancé and misleads his family, before a late-night confession to his mother leads to a murder no one could have seen coming.

For centuries, legends and eyewitness accounts have told of a massive, hairy creature that roams the forest on two legs.

Stories of mysterious disappearances are compelling and confounding; cases of bizarre happenings, such as Flight MH370 and disappearances in the Bermuda Triangle.

An execution-style shooting of a well-loved, self-made couple; early leads take police down a path of greed and desperation until a paper trail leads to a calculated betrayal shockingly close to home.

An addition for their new baby turns into a homeowners nightmare.

Mike discovers and electrical and plumbing mess in the ceiling of a couples' home.

Dominic and Lucia refit a saucy Spanish restaurateur's pepper mill; twin teddies need love from the Bear Ladies and Steve; Matt revives a sentimental Victorian stained glass window.

The coastal metropolis of Miami faces a triple threat of crumbling limestone bedrock, ferocious superstorms and relentless rising oceans.

An execution-style shooting of a well-loved, self-made couple; early leads take police down a path of greed and desperation until a paper trail leads to a calculated betrayal shockingly close to home.

Childhood friends Ashley Taylor and Kevin Sweat reconnect as adults; Ashley's strange pre-wedding disappearance sheds light on Kevin's disturbing past and his connection to a string of unsolved murders.

A missing persons case turns to murder as Frank and Lu investigate the disappearance of an Eastern European oligarch.

Frank and Lu investigate a series of "accidents" on a psychic television program hosted by two warring sisters.

An Australian family washed out of their off-grid home by flash floods; a woman crashes through the ice trying to save her dog; a golf course tornado; an adventurer injured in a freak rainstorm in British Columbia.

The coastal metropolis of Miami faces a triple threat of crumbling limestone bedrock, ferocious superstorms and relentless rising oceans.

Mike inspects Ryan and Eunice's new home after they discover many problems.

Discovering the gaps in a home-inspection report that lulled Jennifer and Paul into a false sense of security; Mike's team gives this couple a second opinion and get to work making their downtown character home as safe and sound as it looks.

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.

Contestants compete across the series, scoring points by answering questions correctly; they must avoid the impossible answers, otherwise they will be eliminated until the next day.