Any time between the character select and the end when i choose a stage after the cheering. it is also occasionally accompanied by an infinitely long, irritating, BEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEP which goes on forever.
the chat here at brawl vault. i will make a chatting place called: teet wierd name but that's all i could think of. the password if there can be one, will also be teet there you go.