American Dragon: Jake Long (2005)

S2E2 Half Baked

Title: Half Baked Plot: Jake opts to use a magical potion to track down Rose, but when the mixture accidentally gets mixed into cupcakes for the school carnival, chaos breaks out as everyone transforms into Krylock creatures. What starts as a simple search quickly spirals into a wild adventure, as Jake must find a way to reverse the effects before the entire school succumbs to the monstrous transformation.