Other mistake: In the music within the ending credits, the lyrics incorrectly state that Raph is the leader of the group when all Turtle fans past and present know it is Leo.

Teenage Mutant Ninja Turtles (1990)
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Directed by: Steve Barron
Starring: Sam Rockwell, Elias Koteas, Judith Hoag, Josh Pais, Michelan Sisti, David Forman
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Casey Jones: This is great. First it was The Farm That Time Forgot and now this. Why don't I ever fall in with people who own condos? Probably hard to get good maid service in a sewer. Maybe you guys should try Roto Rooter, huh?
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Answer: It's not really petty thievery. Shredder essentially has control over a large crime syndicate which is involved in pickpocketing, burglary, and highjacking. And that's just the gang itself. The Foot Clan itself is probably involved with other activities that we haven't seen.