Ulrich runs afoul of the law, Helge tries to dodge Egon Tiedemann, Claudia harnesses the cave's powers, and Katharina lashes out at Hannah.
In 1953, the disfigured bodies of two boys are exhumed at a construction site, the future location of Winden's nuclear power plant.
Hannah takes her obsession with Ulrich too far. The stranger asks Regina to deliver an important package. Martha is torn between Jonas and Bartosz.
Bizarre occurrences give Charlotte a sense of déjà vu, and she suspects Peter is hiding something. Franziska snaps when Magnus confronts her.
Peter gets a shock. Jonas learns the truth about his family, but there are more surprises still to come. Helge makes a sacrifice.
In 2019, a local boy's disappearance stokes fear in the residents of Winden, a small German town with a strange and tragic history.
Greatly outnumbered, Rath, Henning and Czerwinski use their wits to fight their foes. Svetlana is tracked down. Dr. Schmidt forces a truth to be seen.
Defying Benda's orders, Rath and Charlotte race to intercept the train. Helga speaks her mind at a memorial. Greta participates in a vengeful plot.
When a big freeze hits the island of Sodor, Diesel finally proves himself to be a hero by bringing the coal for the steam engines.
Coulson and the team find themselves stranded on a mysterious ship in outer space, and that's just the beginning of the nightmare to come.
Chloe and Ice Bear drive up north to find the perfect Christmas tree and while looking for one, they stumble upon a wild turkey while Grizz and Panda are left in charge to decorate Chloe’s house but have a lot of trouble.
When Lincoln goes on vacation with Clyde he realizes just how overprotective Clyde's Dads are.
Lana convinces the kids go to the Burpin' Burger to meet her racecar driving hero despite the heavy snowfall.
While Jane struggles to cope with a secret from her past, the team races to prevent an international crisis.
Sandi Toksvig considers various odds and ends. Ever wondered how to tell a schnauzerorgan from a paddywhack? With Matt Lucas, Romesh Ranganathan, Liza Tarbuck and Alan Davies.
Todd Hoffman suspects sabotage when the crew is hit by a water crisis; Parker Schnabel battles to move his monster wash-plant, "Sluicifer;" Tony Beets orders Monica to fire up her wash-plant, but a rookie mistake shuts them down.
To mend their ailing relationship, Quad plans a night of ‘Romance On The Table’ but Dr. G. kills the vibe when he says the wrong thing. Simone confronts Cecil about being a two-faced politician. Meanwhile, Jackie faces the agony of public scrutiny when a patient chimes in on the affair and Toya’s fears about cheating creep into her relationship with Eugene. With things going awry in Atlanta, Simone plans a girl’s getaway to New Orleans, but Simone quickly learns, with this group, “The Big Easy” ain’t so easy.
McGarrett poses as a pilot to investigate a plane crash that led to the death of a pilot in an air race.