Question: What animated shorts were both worked on by Irven Spence and distributed by an American media company?
Sentence (from "Muscle Beach Tom"): It was directed and produced by William Hanna and Joseph Barbera and animated by Lewis Marshall, Kenneth Muse, Ed Barge and Irven Spence (erroneously credited as Irvin Spence), with backgrounds by Robert Gentle, layouts by Richard Bickenbach and music by Scott Bradley.
Relevant evidence: No