"A Square Peg in a Round Hole" is an episode of Walt Disney's Wonderful World of Color. It aired on March 3, 1963.
Ludwig Von Drake has founded the Research Institute For Human Behavior to study humans' psychological makeup. He uses Donald Duck as his guinea pig for the testing.
Featured cartoons (in order)
- When this episode reaired in syndication and was released on home video, it was retitled Goofing Around with Donald Duck.
- It was also featured in Disney Sing Along Songs: Fun with Music, with Von Drake playing the song, "Blue Danube Waltz" from his record album, "Snore Along with Ludwig".