The Dream Team is a 1989 American comedy thriller film directed by Howard Zieff and produced by Christopher W. Knight for Imagine Entertainment and Universal Pictures. It stars Michael Keaton, Christopher Lloyd, Peter Boyle and Stephen Furst as mental-hospital inpatients who are left unsupervised in New York City during a field trip gone awry. Jon Connolly and David Loucka wrote the screenplay. Plot: Dr. Jeff Weitzman (Dennis Boutsikaris) is a psychologist working in a sanitarium in New Jersey.