S5 E1 • Dark Origins of the Moon

New discoveries reveal that everything known about the moon could be wrong; investigators race to understand the mysteries of its dark and violent past.

Première diffusion : 15 octobre 2018

S5 E2 • Mystery of the Alien Megastructure

A mysterious star hundreds of light years away might hold the hard evidence of extraterrestrial life, as experts speculate that its bizarre behavior points to proof of a massive alien-made megastructure.

Première diffusion : 22 octobre 2018

S5 E3 • Journey to Saturn's Rings

New discoveries change everything known about Saturn's rings, revealing that they're newer and more mysterious than ever imagined, and that some day soon, they might disappear forever.

Première diffusion : 29 octobre 2018