When did MythBusters Season 4 Episode 21 air?
MythBusters Season 4 Episode 21 aired on October 18, 2006.


Failure is always an option.
MythBusters is a science entertainment television program created and produced by Australia's Beyond Television Productions for the Discovery Channel. The show's hosts, special effects experts Adam Savage and Jamie Hyneman, use elements of the scientific method to test the validity of rumors, myths, movie scenes, adages, Internet videos, and news stories.

Can a ruptured cylinder -- carefully aimed --really cause the massive damage some people claim? Meanwhile, Tory, Grant and Kari go back in time to test some prototypes from the past.
Direct answers for episode-level questions and details.
MythBusters Season 4 Episode 21 aired on October 18, 2006.
Runtime information for this episode is not available yet.
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