Glum Chum is the forty-fourth episode of the series, Absorbent Days, and the fourth episode of season three. In this episode, Plankton devises a plan to finally steal the Krabby Patty formula, yet finds that the Chum Bucket has become a success without his prescence. Unbeknownst to him, Karen has undertaken the Chum Bucket, and is making it a success without her husband. Can Plankton reclaim his evil position, and abscond with the formula in the process? This episode is paired with The Heroic Barnacles.