Tom and Becky are "engaged" (boyfriend/girlfriend)

The scene where Tom and Huck are going swimming, both boys' rears can be seen.

Becky calls tom philanderer.

Injun Joe, Muff and Doc Robinson have a scuffle in the graveyard that ends with Injun Joe stabbing Doc Robinson multiple times off-screen, although a bloody knife is visible when he reappears.

Tom's life is threatened multiple times by Injun Joe. A knife is thrown.

mild action.

3 damns

Huck smokes a corncob pipe a few times. Huck and Tom also carve a pipe, which Huck lights and shares with Tom (whose curiosity about smoking is satisfied after one brief puff that nearly chokes him).

Judge Thatcher, the sheriff and another man are seen enjoying pipes after the town picnic.

Huckleberry Finn is seen smoking a pipe (same as in the original book described) for a few short seconds.

The usage of alcohol is in form of a song performed by character Muff Potter somehow glorified.

A skeleton spooks Becky in MacDougall's Cave. A man is briefly set on fire.

Injun Joe could possibly frighten some.