Adam Savage and Jamie Hyneman spent 14 seasons as cohosts of Discovery Channel's wildly popular "MythBusters." But it turns out that their on-screen chemistry was caused by a lot of off-screen friction.

The "MythBusters" series finale airs at 8 p.m. on Saturday, March 5, on Discovery, with a duct-tape special airing on Sunday, March 6, at 8 p.m. on Science Channel.

Story by Jacob Shamsian, editing by Stephen Parkhurst

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