Big Brawl, Part 1 is a season 2 episode of the 2003-2009 animated Teenage Mutant Ninja Turtles series. It originally aired over Foxbox on 15 May 2004. Usagi does not appear in this episode. It is followed-up by Big Brawl, Part 2.
When the turtles fight at Battle Nexus, they can use a little help.