Kathy shows a little bit of cleavage.

Not a lot. Most of the Violence is cartoonish is silly.

None.

The Cat and the Hat drinks some milk and hiccups. He later informs that Dr. Seuss got in trouble during Prohibition by drinking Gin at a college party.

An intense scene has the Cat in the Hat shoving Kathy through a hallway of WWII paintings most of which are quite scary. Some kids may be upset about conversation of Dr. Seuss' death and early on, his closest family members.