When did MythBusters Season 7 Episode 4 air?
MythBusters Season 7 Episode 4 aired on April 29, 2009.


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 match heads alone fire a homemade cannon? Can a 7-foot ball of Legos become a rolling weapon of mass destruction?
Direct answers for episode-level questions and details.
MythBusters Season 7 Episode 4 aired on April 29, 2009.
Runtime information for this episode is not available yet.
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