Heinz Doofenshmirtz Guest stars. For Harbor Days Festival, Phineas and Ferb celebrate by creating a mechanical version of the historical elusive shark of Danville Harbor. The images should not contain any sexually explicit content, race hatred material or other offensive symbols or images. Sign In Don't have an account? Sorry I'm running late, but I just finished getting ready. After Carl convinces him to try again citing the last song, Carpe Diem , Monogram begins to sing only for the credits to end.