Pretty sure that "Willy Wonka & the Chocolate Factory" is the kid's version of "Saw".

Willy Wonka and the Chocolate Factory (1971) A bunch of freeloaders lie around in bed & support themselves by violating child labor laws.

[Girl from Willy Wonka turns into a blueberry] Wonka: Call in The Blue Man Group! [Blue Man Group rolls her out while singing Eiffle 65]

parent: why did you do this to my child willy wonka: well you see they tried to eat some chocolate on a tour of a chocolate factory they won