There are a few scenes of flirting.

An ugly man is dressed as a woman, and tries to flirt with an another man.

A man and a boy is naked due to taking a bath. We only see their upper body.

There are numerous slapstick violence throughout this film, and a lot of them are humorous and made in a cartoonish style. It's an animated film for children anyway.

Characters get hurt or injured in a few occations, and even get a nosebleed sometimes, but become completely fine a few scenes later. Nothing graphic or serious, again these scenes are made humorous.

A man accidentally kicks a woman in the stomach.

A cat uses it's claws against a small alien creature.

There is a scene featuring some toy robots shooting each other with various weapons.

A small gang of boys attempt to bully a young boy. A chubby girl attacks one of the bullying boys and throws him like a bowling ball.

The violence in the climatic sequence tend to be dramatic sometimes, but on the other side have some humorous moments now and then.

None.

Nothing intense or frightening, only the climatic sequence tend to be a little bit dramatic in a few occations. However, this film should be perfect for families and children to watch.