The Phineas and Ferb Effect.Following the events of "Fungus Among Us", Milo, Zack, Melissa, Cavendish, and Dakota — with help from new friends Phineas Flynn, Ferb Fletcher, Candace Flynn, Buford van Stomm, Baljeet Tjinder, and Dr. Heinz Doofenshmirtz — help conquer Murphy's law to stop a swarm of Pistachions.