Stan throws a big party to promote the Mystery Shack, while Dipper uses a strange photocopier to make clones of himself, so that he can impress Wendy.
Dipper agrees to work the door at Grunkle Stan's big party, but he'd rather be inside flirting with Wendy. He uses a creepy copy machine to make duplicates of himself so he can do both, but the fakes all turn on him. At the party, Mabel competes against rich snob Pacifica to be crowned queen.—Jay Phelps <jaynashvil@aol.com>