Synopsis

For the annual Harbor Days Festival, Phineas and Ferb embark on a project to build a mechanical replica of the legendary, elusive shark said to haunt Danville Harbor. Witnessing their endeavor, Candace rallies a few allies to attempt to capture the phantom creature. Simultaneously, Dr. Doofenshmirtz unveils the 'Salt Water Taffy-inator,' a device designed to inflict cavities upon children throughout the Tri-State Area.