Sally is in a relationship with Linus, which annoys him.

Snoopy's ear gets caught in a toaster.

Charlie Brown sarcastically says that if Lucy pulls the football away when he tries to kick it, he will fall flat on his back and kill himself.

Woodstock gets flattened by a basketball. Snoopy manages to undo this.

Snoopy gets stuck in the garage door when it closes, but he comes out unharmed later on.

Snoopy gets crushed by a ping-pong table while trying to unfold it once. He succeeds the next time around.

Snoopy hits Woodstock with a ping-pong ball once.

In one scene, Woodstock sets off a toy gun. The violence is minimal, but a realistic gunfire sound is audible.

Snoopy has a fight with a lawn-chair, but it's played for laughs.

The word "Stupid" is used once.