For Harbor Days Festival, Phineas and Ferb celebrate by creating a mechanical version of the historical elusive shark of Danville Harbor. Seeing what the boys are up to, Candace enlists some help to capture the mysterious shark. Meanwhile, Dr. Doofenshmirtz invents the 'Salt Water Taffy-inator' to give cavities to every kid in the Tri-State Area.
Elenco: Vincent Martella , Thomas Brodie-Sangster , Ashley Tisdale , Dan Povenmire , Dee Bradley Baker , Alyson Stoner , Bobby Gaylor , Maulik Pancholy , Caroline Rhea , Richard O'Brien , Kelly Hu , Mitchel Musso , Jeff 'Swampy' Marsh , Tyler Alexander Mann , Kari Wahlgren , Olivia Olson , Ariel Winter , John O'Hurley , Jane Carr , Malcolm McDowell , Barry Bostwick , Allison Janney , Madison Pettis .