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Phineas and Ferb
Phineas Flynn and his stepbrother, Ferb Fletcher, are determined to make every day of their summer vacation fun. They try building a full-scale roller coaster, becoming musicians, building a backyard beach, and traveling back in time to meet dinosaurs. Their family pet, Perry the Platypus, doubles as a secret agent and battles evil. Meanwhile, older sister Candace is tattling on them to Mom and Dad, though she can never seem to catch them in the act.

S3, EP33 "Doofapus; Norm Unleashed"
Doof transforms into a platypus to beat Perry, but finds it's harder than he thought.

S3, EP37 "When Worlds Collide; Road to Danville"
The boys discover a strange planet is hurtling directly towards Danville; one of Dr. Doofenshmirtz's "inators" zaps both him and Agent P into the middle of nowhere.

S3, EP34 "Where's Perry?"
Phineas and Ferb go on safari while Perry protects Danville from a new evil.

S3, EP35 "Where's Perry? Part II"
Agent P is nowhere in sight and Dr. Doofenshmirtz and Major Monogram square off against evil Carl.

S4, EP20 "Phineas and Ferb Save Summer"
L.O.V.E.M.U.F.F.I.N. moves the Earth away from the sun; Phineas and Ferb rush to prevent the next ice age and save summer.

S4, EP7 "Bully Bust; Backyard Hodge Podge"
Buford must keep Phineas and Ferb's invention from disappearing.

S4 "Steampunx"
Phineas and Ferb discover an old coin and are transported back in time.