Codename: Kids Next Door Season 2 Episode 6

"OPERATION: F.L.A.V.O.R." NUMBUH FIVE has always dreamed of tasting ice cream's legendary Fourth Flavor (the 'lost' elemental flavor that followed strawberry, vanilla, and chocolate). When she suddenly finds herself in possession of the mystical Golden Scoop, will she work with THE DELIGHTFUL CHILDREN FROM DOWN THE LANE to make her dream a reality? "OPERATION: K.I.S.S." In a hamster related experiment gone horribly wrong, NUMBUH TWO suddenly discovers he has the body of a teenager!