Season 4

01 Food Fight: Valley Girls vs. Jersey Boys Episode 11st June 2011 02 Sports Mashup: The Speed Demons vs. Chillaxers Episode 28th June 2011 03 Weird Science-Attack of Geniuses: The Straight A's vs. The A Gamers Episode 315th June 2011 04 Battleship Boom: Bullseyes vs. Frenemies Episode 422nd June 2011 05 Submarine Showdown: Army Brats vs. Navy Brats Episode 529th June 2011 06 Blimps?: Mad-Moves vs. Mad Scientists Episode 620th July 2011 A blimp challenge pits athletes against scientists. 07 Celebrities: Skaters vs. BMXers Episode 727th July 2011 08 Ultimate Warrior: Team Captains vs. Class Presidents Episode 83rd August 2011 09 Andrew's TV Funhouse: Dee Jays vs. Dirt Bikers Episode 910th August 2011 10 Urban Cowboy: The Engineers vs. The Hams Episode 1017th August 2011 11 Destroyers in Space: Black Belts vs. The Cleats Episode 1124th August 2011 12 Destroy Sweet Destroy: Tricksters vs. Trash Talkers Episode 1231st August 2011 13 Team Wentz vs. Team Chiddy Episode 137th September 2011 14 The Art of Destruction: The Glee Club vs. 4.0's Episode 1414th September 2011 15 Catch and Destroy: The Models vs. Grease Monkeys Episode 1521st September 2011