Gate Night goes sideways, unlikely alliances form, and the twins must join forces when Presidio cracks down - and the entire town faces obliteration.

In 1947, the U.S. military collects debris from what they claim is a crashed weather balloon outside of Roswell, N.M.; new evidence may prove that the wreckage belonged to an alien spacecraft and that remnants may have been overlooked.

JJ Watt hosts with musical guest Luke Combs.

Diane's depression lifts, but she's still struggling to start writing her memoir. Reporters Paige and Max pay Penny a visit.

Jerry warns Colt that Lisa Neumann has a good case against him. And when Luke bails on work, Colt has to miss Peyton's baptism.

Elvis, Keta and Nancy cross into the underworld to find Ventura and bring him home. Elsewhere, a much older Mayakén displays disturbing powers.

Magne and his classmates try to regroup after a tragic loss, while the police seem uninterested in getting to the truth. Gry stumbles on Vidar unmasked.

While the police question Mike, Daisy makes a confession to Thomas. Adam's search for clues about Corinne leads him to another victim of the stranger.

Judite takes a big risk to help Nina. Vinícius considers a key career move. At group therapy with Vinícius, Nina involuntarily opens up.

Ade learns about the Book of Kingdoms and the history of the Lost Cities. Cesaria and Spirto look for clues at Natalia's house.

Team Tardis investigate the connection between a missing astronaut in the Indian Ocean, birds behaving strangely in Peru and a US naval officer who washes up on a Madagascan beach.

Vera investigates the case of a wealthy betting shop tycoon who was murdered during a home invasion in front of his wife and daughter.

Paddy reveals his ultimate cheap, luxurious off-roader: the homebuilt Dirty Rascal. Chris races the £2.5m McLaren Speedtail against the RAF's newest fighter jet. Romesh Ranganathan is the studio guest.

Sister Frances is at a loss when she cares for diabetic and recovering cancer patient Albert Calthorpe whose fiercely independent wife Grace refuses to accept further help, despite caring for her husband, her elderly mother and her pregnant daughter. Meanwhile, Violet is given two tickets to new hit film The Sound of Music and decides to raffle them off with all proceeds going to the incubator fund, while Timothy, Angela and May want to give their parents a night off, but they're not sure how.

While Mr. Leopold confronts his past, Johnny, Julia, Tabby, and Finn must trap a recently released endling before it traps them.

With the recently named Alien on the mend Julia, Johnny, Tabby and Finn turn their attention to helping a new endling that can't survive in the cold. But the creature's unique ability to hide makes saving it nearly impossible.