Into the Universe with Stephen Hawking - Time Travel

Seizoen: 1 - Aflevering: 2 / 2 - Eerst uitgezonden: 25 april 2010 - Episode ID: 950050

"Is Time Travel Possible?" Hawking explores the world's favorite scientific 'what if?' warping the very fabric of time and space as he goes. From killing your grandfather to riding a black hole, see how time travel may actually come true.