An entrepreneurial single mom who works with Santa Claus to reply to children's letters, complete with the North Pole postmark; an 83-year-old Ironman triathlon competitor from Malibu, California, and his millennial-aged business partner from Sandy, Utah, who invented a more functional winter glove; and two men from Glendale Heights, Illinois, who aim to make gift-giving more personalized with their product. Also, a "Shark Profile" on billionaire Mark Cuban.
Hidden somewhere off the southeastern coast of Brazil could lie hundreds of millions of dollars-worth of lost Incan gold. One team of treasure hunters has a new theory on where the treasure lies - a remote spot home to 1,000s of deadly vipers.
Dan Jones visits the heart of the English countryside to explore Arundel Castle and the dramatic history of the Earls of Arundel.
After Agatha's disappearance, Ryder encounters the Genesis patient. Logan draws closer to the edge of oblivion.
Sandi Toksvig looks at the naked truth with Richard Osman, Lolly Adefope, Lee Mack and Alan Davies.
Shin and a Grim Reaper rescue Eun-tak after she is kidnapped by loan sharks. Shin has Deok-hwa investigate Eun-tak's aunt who got her into trouble.
Uncle Grandpa builds a robot version of himself to help with his duties.
Regular team captains Paul Merton and Ian Hislop are joined by guest host Mel Giedroyc and guest panellists Adil Ray and Jacob Rees-Mogg MP.
Jane witnesses Mal stealing something at the museum. Evie, Carlos and Jay solve the mystery of Mal's missing Jewel-bilee gem.
Skullivar finds a lost Atlantean artifact, the Heptahedron, which could wreak havoc on the Seven Seas.
The gang are home & everything is perfect, life couldn't be better, except for Nicco who questions if this really is their Bremin. Discovering they're actually suspended in a dream state the gang manage to wake themselves up.
Aspiring restaurateurs brave Ramsay and his fiery command of the kitchen as he puts the competitors through an intense culinary academy to prove they possess the right combination of ingredients to win a life-changing grand prize.
When Rebecca and Valencia decide to investigate the new girl Anna that Josh has been dating, they discover way more than they bargained for. Paula, being pulled in different directions, feels disconnected from her husband Scott.
Float is growing increasingly annoyed by Merri and Jolli distracting her search for the mythical three-headed dump dragon, but when she tells them to go and play in the storm, and they end up captured in Snike Hill, Float feels responsible and mounts an ingenious rescue mission.
It's a full house for game night when Steve and Matt bring uninvited guests. Jackson decides to join the football team.
DJ finally decides between Matt and Steve, but they throw her a curveball before her annual back-to-school barbecue. A homeless Fernando moves in.