Untitled Phineas and Ferb theatrical film

In early 2011, Disney announced that a Phineas and Ferb film was going to be a full length film originally scheduled for a release in 2012. The release was later pushed to 2013 and later to 2014.

Plot
Unknown

Why It Was Cancelled

 * Phineas and Ferb ended on June 12, 2015.

Result

 * A different movie titled Phineas and Ferb The Movie: Candance Against the Universe was released on Disney+ in August 28, 2020.