Kimberly asks what The Gooch's real name is, and Arnold says nobody knows. However when The Gooch was first mentioned in a previous episode, Arnold mentioned the Gooch's real name being Stewart.
During the phone call when Mr. Drummond and the kids find out that Arnold will not get to meet Muhammad Ali, in the background, Willis is appears out of character in the background. He is breathing abnormally and looks up toward the camera. When Mr. Drummond stands, Willis turns slightly and grabs his chest as if he is experiencing pain.