Four mental patients on a field trip in New York City must save their caring chaperone, who ends up being taken to a hospital in a coma after accidentally witnessing a murder, before the killers can find him and finish the job.
The Dream Team is a 1989 American comedy drama 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.