I do remember my parents took my brother and I to see:
https://www.tcm.com/tcmdb/title/95451/whats-new-pussycat/#overview
I was 9 years old, and only because my parents brought my could I get in. It was a funny movie and then all of a sudden Boobies! Wow. That was the first movie I ever saw with boobs that were not on some African native lady in Nat Geo. And like Ron White says, ya see one pair, well you pretty much want to see em all.