Given the sexual mores at the time, the MPAA felt they had to do something to protect proper American citizens.
But the joke was really on the MPAA as Bun and P's movie was really about 'budding scientific interest' not some 'sick, perverted topic' as some had imagined.
(I know, there were a few of you who were going there also...)
2/2
@cjcrew
Now I am curious about yellow!
@Madken65 I Am Curious But Yellow