 Disney/Pixar prepared a special trailer for Monsters Inc. to show  before _Harry Potter and the Sorcerers Stone (2001)_ (qv). Mike and  Sulley play a game of charades in their apartment, with Sulley  acting out "Harry Potter." Mike has difficulty solving the puzzle,  even after Sulley wears a witchs hat, round spectacles, and sits on  a broom with an owl on his arm. One of his guesses is "When Hairy  met Sulley," a reference to Billy Crystal (qv)s starring role in  _When Harry Met Sally... (1989)_ (qv). Just as Mike gets the puzzle,  we cut away to title cards noting that "Monsters Inc." is "Now  Playing at a theater near you 