Season 5 Episodes8
Cast2

David Ackroyd

Erik Thompson
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Ranked #5 of 8 in Season 5•matches the season avg
A look at time travel; how it could one day become reality; how Einstein's theory of relativity claims it is possible, and the probable results of traveling to the future and the mind-boggling consequences of traveling to the past.

David Ackroyd

Erik Thompson
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"Time Travel" is episode 4 of The Universe season 5. It scored 7.1/10 from 77 votes, ranking #5 of 8 episodes this season (season average 7.1). It aired on August 19, 2010.