Bad Mood Monster needs the Monster Math Squad to walk his pet monster Woofy while he attends his nephew’s party in the park. The Monster Math Squad has never met Woofy, and Bad Mood Monster rushes off only telling the Squad that Woofy is behind “the round door with the square door knob”.

Miss Murkly can’t bake her slimy grimy monster muffins! She has no way to measure the ingredients as someone has taken the numbers off her scale. All clues lead to the Number Muncher Monster as the culprit, and the Monster Math Squad has to COUNT in order to find out what numbers are missing.

Mrs. Huge Horn Monster is missing her monster house! It’s up to Smooth Moves Monster to set the Monster Math Squad on the right trail, but first the Squad need to learn about size! Learning the difference between SMALL, MEDIUM and LARGE, help the Squad follow the right tracks to the park and past a Gate Monster so Lily can climb the jungle gym for a bird’s eye view of the park.

Mr. Cranky Pants Monster is crankier then ever! Mess Monster has been in Mr. Cranky Pants Monster’s store and turned the place upside down! The call comes into the Monster Math Squad to help sort things out while Mr. Cranky Pants Monster chases away Mess Monster!

In the town of Monstrovia, the Garbage Monster delivers garbage to everyone's house! Garbage Monster can't figure out how to get the garbage orders correct. The Monster Math Squad needs to learn about SORTING in order to get the correct garbage into the correct bins.

A call comes in over the Scream Screen - its Mrs. Mopely, the Monster Day Scare teacher. Her little monsters are having trouble playing with their scary face balloons as they keep floating away. The Monster Math Squad drop by and help them out by knowing all about things being LIGHT!