Comments on: Episode 8: 20 Most Important Facts of the 20th Century http://www.hourofknowledge.com/2008/07/show-008-20-most-important-facts-of-the-20th-century/ Join Profoctor Davey, Bongo McTweedlepants and all their Puppet Pals in the Kids-Only Supergenius Treehouse Lab, broadcasting live every week from sunny Detroit. You might even learn a thing... or two! Tue, 06 Jan 2009 12:13:44 +0000 http://wordpress.org/?v=2.6.3 By: Joel http://www.hourofknowledge.com/2008/07/show-008-20-most-important-facts-of-the-20th-century/#comment-33 Joel Thu, 17 Jul 2008 22:00:58 +0000 http://www.hourofknowledge.com/?p=20#comment-33 This seriously has to be some of the funniest stuff I've heard in a long time. I love this show. This seriously has to be some of the funniest stuff I’ve heard in a long time. I love this show.

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