abstract:The Cat and the Mermouse is a 1949 American one-reel animated cartoon and is the 43rd Tom and Jerry short directed by William Hanna and Joseph Barbera and produced by Fred Quimby. It was animated by Kenneth Muse, Ed Barge, Ray Patterson, Irven Spence and Al Grandmain, scored by Scott Bradley, and released on September 3, 1949.