Operation: B.U.L.L.I.E.S. / F.I.S.H.Y.

S5 E3: "Operation: B.U.L.L.I.E.S." Spitballasauruses! Noogieraptors! The dreaded Wedgiesaurus Rex! They all roam free on an island habitat created by a brilliant and entrepreneurial kid scientist harboring a secret... a secret that Numbuhs Two and Four will soon learn in the end. "Operation: F.I.S.H.Y." To give Numbuh Three's dead goldfish a proper burial, Numbuhs Two and Four go on an epic quest to the forgotten other side of the treehouse where they must drop the fish into a giant toilet. The Crazy Old Cat Lady is craving for seafood, however, creates an epic battle over the rapidly deteriorating delicacy.