Tom and Jerry Collection (1940 - 1967)

Jerry is rescued from Tom by a dog who gives him a whistle and tells him to blow it, and he will come to his rescue. In order for the dog not to hear the whistle, Tom puts earmuffs on him while he's sleeping. Later, however, Jerry shows up in front of Tom, holding what is seemingly the same pair of earmuffs.

Another musical episode. Famous opera singer Tom arrives at a concert, where Jerry happens to be sleeping. Jerry tries to distract Tom from his performance, and eventually, the two end up literally switching places.

This episode takes place in a construction site where a very hungry Jerry leads Tom, who has plenty of food, into a dog show so Jerry can later eat Tom's food.

This was the episode where Tom & Jerry go into an old castle on a dark and stormy night. The owner, most likely a relative to Dr. Frankenstein, switched animal brains to different animals. Jerry was a victim, who acted like a lion, and scaring Tom away, who had seen enough of the strange animals.