The Tom & Jerry Show (1975)

Planet of the Dogs (1x41)

Air date: Nov 29, 1975

Spike chases Tom and Jerry right into a rocket that's about to take off. They all end up in space together, and board a planet that's inhabited by dogs. The dogs tell them that cat and mice used to live with them, but we're sent to Earth, because the dogs were the sworn enemy.. this creates even more trouble for Tom, Jerry, and Spike.