Joan Bakewell and Frank Skinner welcome the artists to Waddesdon Manor, Buckinghamshire, where they have six hours to paint the French Renaissance-style chateau.
Adam uncovers the scary truth behind unreliable methods used as evidence in criminal cases. He exposes the flaws of fingerprinting, hair strand matches and bite mark analysis - which often send innocent people to jail.
Adrien's best friend, Nino, is akumatized into the Bubbler, a villain who traps adults in bubbles and sends them floating away into the atmosphere.
In an attempt to protect herself from the killer, Chanel makes a surprising decision, which leaves Zayday in a position of power. To stay close to each other, the girls of Kappa Kappa Tau host a slumber party, but when a shocking discovery is made, not everyone will survive the night.
Sightly charter guests arrive to celebrate a birthday. Meanwhile, Leon makes a culinary mistake; Connie impresses with her deckhand skills; Eddie questions a relationship; and a fire breaks out, putting the entire boat in danger.
An exploration of the turbulent relationship between Olympic wrestling brothers Mark and Dave Schultz and their eccentric benefactor, John du Pont, culminating in the murder of Dave by du Pont.
Frantic is conflicted when he falls for a member of the Gay Mafia, a gay super villain team; Prock, Perfect Man, and Muscleman go on a road trip when Mr. Awesome appoints Prock his new campaign manager.
Tom's mind is set on transforming Ellen's birthday by inviting her round for lasagne.
Tracey takes the chance to improve her future and heads off to a recruitment day, while her devil-fearing sister Cynthia covers her shift in the shop
Daniel performs plastic surgery on a man with a gruesome party injury, who gets a Web Redemption. A nerdy couple holds a "Star Wars"-theme wedding, and Daniel also goes down a YouTube rabbit hole after uncovering a mysterious video plea for help.
If Bailey passes his review meeting he gets tickets to Wembley. The problem is that Bailey hasn't been on form lately, and Jody is keen to get the tickets for herself.
Control Freak informs the Titans that they are on a TV show he created and demands they earn him an award.
Danny is forced to take Morgan on a road trip to California. They make a surprise stop.
An auction in Los Angeles brings more buyers than Dan and Laura bargained for. Dave Hester returns to the auctions despite his troublesome past. Ivy tries to keep the peace, but gets dragged into an abnormal auction while Rene brings some help as his father, Gunter, joins the action. Mary is attracted to more than just good finds as the bids and the sparks fly.
To solve the mystery of a ghostly performer haunting her former venue, the Gang has to pretend to be a rock band themselves! But can they solve the case before Velma has to actually get on stage and sing?
Myths obscure the truth about Pocahontas and America's renowned explorers, Lewis and Clark. We remember Pocahontas and John Smith as lovers - but she actually married another John. And Lewis and Clark's exploits were forgotten for a century.
Dennis guides a wildlife photographer to the remote promised land of polar bears but their photography mission shifts to a rescue mission when they find the tracks of an orphaned cub.