Four mental patients on a field trip in New York City must save their caring chaperon, 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.
Directed byHoward Zieff
Written byJon Connolly, David Loucka
CountryUnited States
Runtime113 min
On screen
Michael Keaton
Christopher Lloyd
Peter Boyle