The Dream Team 1989

Synopsis:

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.

Directed by: Howard Zieff
Written by: David Loucka & Jon Connolly
Release date: 1989-04-07
Runtime: 113 minutes
Critics score:
Tagline: This morning they were playing ping-pong in the hospital rec room. Now they're lost in New York and framed for murder. This was never covered in group therapy.
Cast:
Michael Keaton
Michael Keaton
Billy Caufield 
Christopher Lloyd
Christopher Lloyd
Henry Sikorsky 
Peter Boyle
Peter Boyle
Jack McDermott 
Stephen Furst
Stephen Furst
Albert Ianuzzi 
Dennis Boutsikaris
Dennis Boutsikaris
Dr. Weitzman 
Lorraine Bracco
Lorraine Bracco
Riley