Parents Guide for
Alice in Wonderland (1951) More at IMDbPro »

None.

The Queen orders beheadings regularly in the last few scenes of the film, though nothing is seen.

A cat takes off his head and stands on it. It isn't bloody or gory, although this scene might unnerve some younger children.

None.

Animated cigar smoking - Animated hookah smoking - Animated pipe smoking

When Alice is about to drink from the bottle to get small, the dangers of drug experimentation is hinted when the doorknob warns Alice that if she takes too much, she would "go out like a candle"

The film is very surreal, so some sequences might seem disturbing to very small children.

There are also frequent references to people having their heads cut off.

Scenes including a smoking caterpillar and a talking cat who removes his head and stands on it may be disturbing and frightening.