Episode Title:Not Phineas and Ferb - Phineas and Ferb-Busters.Episode Description:Not Phineas and Ferb: Irving's brother Albert doesn't believe that Phineas and Ferb are anything special, and since he claims to be the "Truth Detector," he can prove it. Desperate to prove Albert wrong, Irving convinces Baljeet and Buford to pose as Phineas and Ferb beside a giant hologram of the boys' Eiffel Tower construction, while the real Phineas and Ferb go with their father to the movies. Meanwhile, Dr. Doofenshmirtz is fed up with the quality of accessories for his model train set and decides to shrink down a variety of national monuments to add to his collection.
Phineas and Ferb-Busters: Candace, Stacy and Jenny team up to try to bust Phineas and Ferb together, while Phineas and Ferb build giant mechanical spinning tops. Meanwhile, Dr. Doofenshmirtz enlists a new robot to replace Norm, but a power surge from Phineas and Ferb's power source causes it to glitch and turn against him.