s04e01 - Food Fight: Valley Girls vs. Jersey Boys s04e02 - Sports Mashup: The Speed Freaks vs. Chillaxers s04e03 - Weird Science-Attack of Geniuses: The Straight A's vs. The A Gamers Battle of Brains vs. Brawn s04e04 - Andrews' Funhouse: BPMS vs. RPMS s04e05 - Sumbarine Showdown: Army Bratz vs. Navy Seals s04e06 - Blimps? Mad Moves vs. Mad Scientists s04e07 - Celebrities: Skaters vs. BMXers s04e08 - Ultimate Warrior: Team Captains vs. Class Presidents