For the first time, a full Phineas and Ferb episode is split into 3 parts. Phineas and Ferb build a giant stage for a Talent Show. All their friends join, and so do...L.O.V.E. M.U.F.F.I.N.! Once the talent show goes on, the team of evil scientists build a Sunny-sun-sun-hot-inator for the talent show! They say that it'll be so hot your breath will be knocked out and you will die. Phineas, Ferb, and Agent P go to save the Tri-State Area before they and the rest of the Tri-State gets killed by heat.