Old Monster (S01E12)

S01E01 The Switching Hour S01E02 Monsters, Get Real S01E03 Snorched if You Do, Snorched if You Don't S01E04 Curse of the Krumm S01E05 Krumm Goes Hollywood S01E06 Monstrous Makeover S01E07 A Wing and a Scare S01E08 Krumm's Pimple S01E09 Monster Hunter S01E10 Monsters Don't Dance S01E11 Gone Shopp'n S01E12 Old Monster S01E13 Mother May I? S01E14 Don't Just Do It S01E15 Joined at the Hip S01E16 Smile and Say Oblina S01E17 The Great Wave S01E18 Cold Hard Toenails S01E19 Attack of the Blobs S01E20 Chip off the Old Beast S01E21 The War Is Over S01E22 Where Have All the Monsters Gone? S01E23 Simon Strikes Back S01E24 The Ickis Box