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. Doofenshmirtz plans to fly all over the world to capture famous landmarks shrunk down to size to put around his model train set.