Phintasmic!

Phineas and Ferb had step into the world of Imagination with their friend Mickey Mouse as he fights the forces of evil like from Disney show called Fantasmic

Summary
That night when Isabella, Baljeet, Buford, and the Fireside Girls has been invited to the Flynn-Fletchers House for sleep over. And also Jeremy, Stacy, Coltrane, and Jenny has been invited as well.

When they were asleep, there was a sound that came from the magic door and they woke up. They think it came from the backyard and they decided to get dressed, but they look and saw the magic door. When he open the door, the bright light starts to shine and it show their friend Mickey Mouse in his sorceror suit. He shows it to them for using magic tricks for creating his imagination with music, fountains, and special effects.

To be continued....

Trivia
Just like in the show Fantasmic! between in Disneyland and Disney Hollywood Studios