Phineas and Ferb discover that Perry is a secret agent, and they all get stuck in an alternate dimension where Doofenschmirtz is the ruler of the tri-state area.

Beethoven, the St. Bernard dog, becomes a father, but his girlfriend Missy is dognapped, and his puppies are in danger of the same fate.

A popular, young singer does not like Christmas. Just like Scrooge in A Christmas Carol, she's visited by the ghosts of Christmas past, present and future.