The Chilean government questions whether new footage from a Navy helicopter indicates a connection to geoglyphs in the Atacama Desert.

Viewing him as a freedom fighter under siege, local militias rally around Eric and attack the FBI. As Embry continues to investigate, he learns that Eric is not who he claims to be.

RuPaul hosts with musical guest Justin Beiber

Brad takes the day off to prove a point, leaving Poppy and David to keep the game afloat. Dana and Rachel have a girls' night in.Brad takes the day off to prove a point, leaving Poppy and David to keep the game afloat. Dana and Rachel have a girls' night in.

In the weeks leading up to Mary Fisher's murder, Eric meets Det. Russell for the first time to press charges against Kim Decker, a former girlfriend. Russell suspects the truth is murkier than Eric reported. As Russell investigates the complaint, Eric throws a party at his apartment complex with the help of his older friend and neighbor Trey Carano that quickly spins out of control.

While Nina uncovers details about Rendell's past, Kinsey helps out the Savini Squad, Tyler falls in with a bad crowd, and Bode finds another key.

From ancient Syria to present day Sheffield, and out into the wilds of space, something is stalking the Doctor and infecting people's nightmares.

Paddy, Freddie and Chris are sent on a high-altitude mountain expedition across Peru in second-hand American cars.

At the Turners, Shelagh receives a phone call from the Hong Kong adoption agency, which has the alarming news that someone from May's past has arrived in the UK and wants to see the little girl. Meanwhile, Valerie's cousin Maureen is heavily pregnant and hoping her baby will be born on Thursday, the same date as her father and grandfather. However, her due date isn't so soon and keen to bring on the birth, Maureen takes a big risk by secretly taking castor oil - with potentially disastrous consequences.

As Endeavour sees in the new year - 1970 - at an opera house in Venice, a murder on an Oxford towpath speaks to Thursday's intuition, and convinced he has the man responsible, he vows to bring him to justice. Returning home, Endeavour makes a new acquaintance, and old friendships show signs of strain.

Later, when an exciting new educational television programme appeals for Academic presenters, a contentious college project develops into a fatal battle of the sexes. On investigating, Endeavour and Thursday discover a potential link between the department and a young woman's troubling premonitions.

A mysterious list of names is found in the shoe of a dead woman. What is the connection to the village of Much Deeping?

While pursuing an elusive endling, Julia, Johnny, Tabby and Finn come across a menacing trap and realize they're not the only ones trying to capture the creature.

Tabby, Johnny, Julia and Finn race to save a trapped endling while a seemingly endless stream of drones try to capture it. Unhappy with her drones' progress, Hewes and her team arrive to finish the mission themselves.