Sara loses her superpowers on the same day that Sparks' Crew must move a giant, heavy burger. How can they move it without Sara's super strength? Then, a mysterious creature is sighted in Super Superior Lake. Sparks' Crew sets out to find "Soupy," but they must find reliable information to determine what this creature could be.

AJ builds a gadget to help people understand Fur Blur's squeaks, but the gadget misfires and makes people squeak instead of talk! Then, Sparks' Crew wants to make their own theme song, but they have no musical instruments. How can they find a way to make sounds of different pitches?