Operation: C.A.K.E.D.-F.I.V.E. Codename: Kids Next Door : Season 5 Episode 13

The KND revive Numbuh 19th Century in order to learn about an old delicious cake recipe even more delicious than the Delightful Children's cake, that used to be baked annually by the DCFDTL's predecessors: the Annoyingly Cute Triplets Who Lived Upon The Hill. However, this plan lures the KND all the way to the DCFDTL's cake in outer space, which is really a huge space station with the ice cream cake as its outer layer with the power to destroy huge storage facilities, where Father plots to destroy all the ice cream in the universe. This was so that when the DCFDTL eat their ice cream cake, it will be the last ice cream in the universe.