User blog comment:Scubadave/Phineas and Ferb Movie of 2011/@comment-2145190-20101030141531

Just watch out for spoilers.

For one thing, Phineas and Ferb will find out Perry is a secret agent, and have to help him stop a truly evil Dr. Doofenshmirtz from another universe. I wonder if they will meet the real doofenshmirtz. I hope so.