While eating spaghetti Lady and Tramp kiss.

Mild sexual innuendo.

Reference to "the birds and bees"

A baby is oddly not wearing a diaper, a puppy bites it's pants and the crack of the buttocks is shown

There is talk in the film about Tramp being a "playboy" of sorts

Lady's owner swats her on the rear for stealing her yarn.

Lady is muzzled in one scene which could be seen as animal cruelty.

During the baby shower, Jim is implied to be really drunk or high.

Jim is briefly seen smoking a pipe.

Some derogatory depictions of East Asian stereotypes by two siamese cats which may offend viewers. Do keep in mind this was considered humorous at the time this film was made and on Disney + there is a disclaimer before the film denouncing this behavior.