Millions of people around the world believe we have been visited in the past by extraterrestrial beings. What if it were true? This is the question Ancient Astronaut theorists have posed since Erich von Daniken's Chariots of the Gods was first published in 1968; examining scientific, archaeological, astronomical, and historical evidence to find the answer. In recent years, more new evidence has been revealed than ever before that suggests there was extraterrestrial intervention on Earth in the distant past. Satellite images have exposed geoglyphs resembling Nazca lines in Kazakhstan. Ground penetrating radar has detected remnants of ancient technology in Machu Picchu. And thermal scanning has uncovered hidden chambers behind King Tut's tomb that may hold the remains of extraterrestrial beings. Could we be at the tipping point where the overwhelming evidence outweighs any last shred of doubt?

Wynonna attempts to deal with her encounter with the last of the Seven and she also becomes swept up in Henry's vendetta.

Democratic President Nominee Senator Bernie Sanders (I-VT), elle.com editor-at-large Melissa Harris-Perry, entrepreneur and Trump supporter Wayne Allen Root, Daily Beast columnist Michael Moynihan and "Dilbert" comic strip creator Scott Adams.

NSA whistleblower Edward Snowden leaked details of massive government surveillance programs in 2013, igniting a raging debate over digital privacy and security. That debate came to a head this year, when Apple fought an FBI court order seeking to access the iPhone of alleged San Bernardino terrorist Syed Farook. Meanwhile, journalists and activists are under increasing attack from foreign agents. To find out the government's real capabilities, and investigate whether any of us can truly protect our sensitive information, founder Shane Smith heads to Moscow to meet Snowden.

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Stephen welcomes Rashida Jones, Daveed Diggs, a stand-up performance by Marina Franklin, and a musical performance by The Struts.

Meg learns her father kept a secret from the family for years. A voice from the past threatens John's plan to frame Wayne Lowry.

Travelling through a desert, the gang come across a boy and a Chesnaught who are working to plant trees.

Rarity struggles to get Applejack to relax at the spa; when Twilight and Spike attempt to take over Applejack's simple farm chores, it turns out to be a more difficult job than they thought.

The finalists perform hoping to impress both the judges and the viewers at home. At the end of the show this year's winners are revealed.

Big Mac struggles to hide the toll his addiction is taking and steals some painkillers from a patient's bag. Charlie notices his odd behaviour, and demands to know the truth, prompting the troubled health care assistant to confess the truth. Robyn is determined to bring David out of his shell, and Dylan tries to befriend Max. Rita needs somewhere to stay and Iain suggests she take up residence in his spare room, but when Jez warns him he is getting in too deep, he begins to have second thoughts about his offer.