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There's no nudity in The Breakfast Club (although there was going to be—a totally gratuitous scene where Vernon spies on a lady who's swimming naked in the school's pool). There is a moment where Bender sees Molly Ringwald's panties, but they're actually a body double's—Ringwald was only sixteen years old at the time.

So, The Breakfast Club doesn't have any overt nudity or sex scenes, but what it does have is colorful profanity and adult themes. Bender frequently yells things like this (to give an actual sample): "See, I don't think that I need to sit here with you f***in' dildos anymore!"

There's also a lot of sex talk, like when Bender verbally imagines Claire losing her virginity, and when Allison pretends that she's a nymphomaniac who sleeps with her psychiatrist.