Why does Tom chase Jerry?

The chase makes the story move

Tom and Jerry's classic setup is simple enough to work with little dialogue: Tom pursues, Jerry escapes, and household physics files a formal complaint. The Library of Congress records the pair as an MGM creation of William Hanna and Joseph Barbera, produced from 1940 to 1957, with Tom in continuing pursuit of Jerry.

Individual shorts give Tom different immediate motives — food, duty, irritation or competition — so there is no single secret explanation behind every chase.

Why real cats chase small moving animals

Cats are specialist hunters of small prey. Sight, sound and movement can start parts of the predatory sequence even when a cat has eaten. Hunting is not simply a hunger switch: waiting until starvation would be a poor strategy when many attempts fail.

Individual cats differ. A study of prey choices found both risk–reward decisions and repeatable differences between cats. A well-fed pet may stalk a toy, chase an insect or watch a mouse without following the exact same sequence every time.

Give the sequence a safer ending

Interactive wand play can provide stalking, chasing and pouncing without involving wildlife or human fingers. Move the toy like prey, allow occasional catches and finish with a small food reward when appropriate.