The End... Or is it?

Phineas and Ferb, remember the time they went Across the 2nd Dimension, and realize it was all a dream, but, they then go through the dimensions for real, the actual dimensions, and get stuck in the 1st Dimension, them trying to get back to their dimension, the 2nd Dimension, but, during the time in the 1st Dimension, Phineas realizes that he is a cartoon, and doesn't really exsist.

Background Information

 * Phineas is seen speaking to Vincent Martella, his voice actor.
 * The fourth wall is broken almost through the entire episode.

Continuty

 * Second time Phineas and Ferb travel through dimensions ("Phineas and Ferb The Movie: Across the 2nd Dimension"), although first time doing it for real.