Endora claims that Darrin has no sense of humor, so she puts a spell on him, turning him into a comedian. His client, Mr. Jameson, does not like Darrin's new Def Comedy Jam phase when he gets a migrane headache. Darrin discovers that Endora has hexed him, and she gives him another spell- this time, making jokes of anything sad or discouraging. The Jamesons come by and at th very mention of Jam