Ross is nervous when he meets Elizabeth's father Paul (Bruce Willis) for the first time; Paul shows interest in Rachel. Joey begins working on Mac and C.H.E.E.S.E. but is openly unimpressed with C.H.E.E.S.E. his robot sidekick, which is a clumsy, slow-moving machine which speaks in a thin, distorted voice piped through a mike. This angers the operator of the robot, who has the power to get Joey fired. Phoebe writes a book based on Monica and Chandler.