Continuity mistake: When LoveBurger leaves the stage, a raucous teen jumps onstage and blares Paradise City from his boombox. William recognises the song and jumps over to the stage. When he jumps on, he knocks the other guy over. Watch as the other guy falls off the stage, as a microphone on top of the stage falls over and smacks the camera at the top of the screen.
Trivia: This film has a few links to Buffy the Vampire Slayer TV program. The stoned guy with the brownies is Jessie who only appears in the first 2 episodes before getting turned into a vampire and getting killed by Xander. There is a girl who is staring at a banana - this is Amber Benson who played Willow's girlfriend Tara and finally and most obviously Seth Green who plays Kenny went on to play Willow's boyfriend Oz. See this website for more: http://www.buffyguide.com/galleries/multiple/canthardly.php