Occasional kiss scenes

whole episode about sex, with talks of mastrubation, popping a cherry, penis circumcised and uncircumcised, and vaginas

a man has makeup on that makes it look like got shot (it was fake)

A woman gets hit by a bus, but lives

A woman trips and hits her head, and dies

In the reanimated episode about Pocahontas & John Smith they use the word "shit," "assholes," & briefly mention sex/sexual favors a couple times.

Occasional bleeped words

Infrequent mild language like damn, hell, and bitch. Characters also tend to use euphemisms like "mother falcon", "holy crow" and "crap". "Dickhead" is used once in the episode "Adam Ruins Work", while strong words are bleeped.

some small references

Reveals some dark truths that could scare anyone, such as how big the problem of pollution really is.