Stephen Hawking travels to black holes, Saturn, the Big Bang and Santa Barbara, Calif., witnessing some awe-inspiring sights.

Stephen Hawking tries to find a theory for everything, discussing the Great Filter solution to the Fermi Paradox and the dangers of artificial intelligence during a visit to Proxima Centauri b.

Cmdr. Stephen Hawking and his spaceship the SS Hawking encounter an alien A.I., then race to the edge of the universe and plunge into an alternate Earth.