Phineas and Ferb help Candace learn how to parallel park by building a monster truck track in the backyard. Meanwhile, Dr. Doofenshmirtz is marketing his new line of monster trucks to investors, and proceeds to try and get rid of the competition. --- Phineas and Ferb with their friends search for the treasure of Badbeard. Meanwhile, Dr. Doofenshmirtz moves into his new lair in Spleen Island. Candace touches the orange moss and "hallucinates", seeing Perry as a secret agent.