User blog comment:Mobo85/Hot Off the Presses..."Phineas and Ferb" Season 3 Starts March 4/@comment-1478533-20110215213400/@comment-406459-20110215230130

Given the definition of "Chekhov's Gun" (a phrase which predates TV Tropes) and the Chekhov quote that inspired it, I don't really see how this would obviously affect the episode plot as written.