The player encounters an acrobat dressed as a clown, who is desperate to find cotton candy for the children. After episode: Tiffi notices that the pink clouds are made of cotton candy. She borrows a balancing stick to reach it.
Cupcake Circus contains levels 171 to 185. This episode starts off easy, with all of the levels in the 170s being easy, but the end of this episode brings a cluster of some very hard levels. Levels 180, 181, 182, and 184 can all be considered hard, with level 181 being extremely hard and considered one of the hardest ingredients levels. In addition, level 183 was difficult before it got nerfed. These five levels were known as Hell's Cluster. The average difficulty of this episode is medium. This episode is considered easier than the last episode, Pastille Pyramid.