Tom and Jerry - Jerry and the Goldfish

"Jerry and the Goldfish" (fragment), is a 1951 American one-reel animated cartoon and is the 56th Tom and Jerry short directed by William Hanna and Joseph Barbera and produced by Fred Quimby. It was animated by Irven Spence, Ray Patterson, Ed Barge and Kenneth Muse, with music by Scott Bradley and backgrounds by Robert Gentle.

Interesting facts:

This is first appearance of the Goldfish.

Outer space in the cartoon blue, in reality it is black.

Goldfish later also by appears in the episode "Fil