Some mild kissing. When the alien mind takes over Steve's body, his desire for Sally becomes more frantic and animalistic. She notices and complains.

A plane is seen to be destroyed in mid-air. The implication is that the world can be destroyed in the same way.

A floating brain is seen to speak and enter into a man. Later, a similar brain enters into a dog.

Most of the violence is old-fashioned and shouldn't bother anyone. Some might be bothered by the plane explosion.