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''The Dream Team'' is a 1989 American comedy thriller directed by Howard Zieff that has a group of mental patients (Creator/MichaelKeaton, Creator/ChristopherLloyd, Creator/PeterBoyle, and Creator/StephenFurst) going on a field trip that leaves them unsupervised and things go awry.

The movie also stars Creator/LorraineBracco, Creator/DennisBoutsikaris, Creator/MiloOShea, Creator/PhilipBosco, Creator/JamesRemar, Michael Lembeck, Jack Duffy, and Larry Pine.

It was released on April 7, 1989.

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!Tropes for the film:
* ClipboardOfAuthority: This eases Henry Sikorsky (Lloyd) in doctor-impersonating.
* DreamTeam: Spoofed. The four characters are dysfunctional psychiatric patients who have to overcome their various crippling neuroses, not to mention their [[TeethClenchedTeamwork inherent dislike for each other]], to reveal the truth after they're framed for a murder by corrupt police officers.
* FourTemperamentEnsemble: Billy (choleric), Henry (melancholic), Jack (sanguine), Albert (phlegmatic).
* HairTriggerTemper: Billy is constantly on edge and flies into explosive fits of anger over pretty much anything. It's why he's in the hospital to begin with.
* LosingHorns: When Jack's former business partner rats him out to the police, Jack yanks his chain about a major deal the business was expecting, and makes this sound.
* MisfitMobilizationMoment: [[spoiler:Albert]] snaps the team out of their collective HeroicBSOD with one word: [[spoiler:"shithead"]]. This is [[spoiler:the first thing he says in the film that isn't just parroting what he's heard on TV]].
* NapoleonDelusion: Jack believes himself to be the second coming of Jesus.
* OnlySaneMan: For a given definition of "sane" as he is still a mental patient but Billy, even with his anger issues, is by far the most lucid and capable of the group and the one most able to get by. TruthInTelevision, as people with acute mental illness can be quite lucid and functional for the most part.
* RippedFromThePhoneBook: Done by Billy (Keaton) when he and the group when he and the group are searching for their missing psychiatrist in a hospital. One of the group, Henry, does note that what Billy did is vandalism, but Billy shrugs it off and it's never brought up again.
* ShoutOut:
** In the group therapy scene Billy compares a nurse's appearance to [[Film/TheGodfather Luca Brasi]], calls Henry "Creator/DrDemento" and quotes ''Literature/CaseyAtTheBat'' ("No joy in Mudville").
** A man getting ready to tow the team's car calls Jack, who has stripped to his underwear, Franchise/{{Tarzan}}.
* SpeaksInShoutOuts: Albert is a mental patient who loves watching TV, particularly sports, and only communicates by mimicking what he's heard on television.
* WhamLine: [[spoiler:"He called me a shithead!"]]