Phineas and Ferb team up with the Avengers to save the world from Dr. Doofenshmirtz and a group of dangerous supervillains.
Five disparate kids snowed in at the airport on Christmas Eve learn some lessons about friendship when they launch a bid to get back to their families and outsmart a disgruntled airport official who wants to keep them grounded.
When L.O.V.E.M.U.F.F.I.N. moves the Earth further from the sun, Phineas and Ferb must find a way to save summer and prevent a new ice age.