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In an animated Monkeybone cartoon, a boy protagonist informs us (via voice over narration) that the flapping folds of skin hanging from his old school teacher's arms caused him to feel "oddly aroused." He then looks down to his clothed crotch and quickly puts books there to cover his apparent erection. We then briefly see what looks like an erection in his pants (and the teacher asks what's in his lap and he says that covering the growth in his pants was like putting a cap on the Washington Monument), but it turns out to be Monkeybone who pops out of his pants, blasting the books into the air.
Stu's car goes out of control in reverse when an inflatable toy jams him and Julie up against the windshield. During, this, one of the toy's large inflatable arms hits Herb, the car smashes through a security gate and then eventually crashes (the final impact isn't seen) and Stu is knocked into a coma.
At least 1 "s" word, what sounded like 1 slang term using female genitals ("p*ssy"), 6 hells, 4 asses, 3 damns, 1 crap, 1 S.O.B., 5 uses each of "Oh God" and "Oh my God," and 1 use each of "G-damn," "For God's sakes," "Jesus" and "My God" as exclamations.
Kimmy has a cigarette in one scene, while a bizarre creature in Downtown holds a cigar and mentions something about it being a Cuban. Moments later, another odd creature asks Stu if he has a smoke on him (he doesn't), and a miscellaneous character smokes in a bar.
Stu's initial roller coaster like ride down into Downtown and then his encounters with various odd and fantastical creatures might be a bit unsettling or scary to some younger kids (as might the brief sight of old film footage of movie characters screaming on TV).