User blog comment:Black Spiderman/Phineas and Ferb: Across The Second Dimension/@comment-1758246-20100304051258

What would be awesome is if PnF have a huge robot battle with the second-dimension Doof. They start losing, then Perry takes control and starts showing the boys his skills.

I also have a feeling that the boys are gonna lose their memory at the end of the movie so that it stays within canon.