Overview: The science of a human cannonball is broken down. Parkour enthusiasts show off all the various things that can go wrong when attempting to run across rooftops for sport.
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First Air Date: Jun 13, 2014Last Air date: Oct 12, 2020Season: 8 SeasonEpisode: 128 EpisodeRuntime: 48 minutesQuality: HDIMDb: 0.00 / 10 by 0 usersPopularity: 10.322Language: English