Overview:Bill breaks down the science of time travel with guests Zach Braff, retired astronaut Scott Kelly and the minds behind "Star Trek" and "Lost."
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First Air Date: Apr 21, 2017Last Air date: May 11, 2018Season: 3 SeasonEpisode: 25 EpisodeRuntime: 30:14 minutesQuality: HDIMDb: 7.396 / 10 by 53 usersPopularity: 5.0246Language: en
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