Summary: Numbuhs 2, 3 and 6 must deliver a truckload of soda to a girl birthday party, but they must prevent Mr. Fizz and Lieutenant Seltzer from stopping them! * Starring: Numbuh 1, Numbuh 2, Numbuh 3, Numbuh 6, Mr. Fizz, DCFDTL, Marybeth March * Cameos: Numbuh 4, Numbuh 5