Phineas, Ferb and friends go searching for pirate treasure.
Meanwhile, Dr. Doofenshmirtz has acquired a new lair.
- Disney Acid Sequence (literally): Candace get one after touching poisonous moss.
- G-Rated Drug: The orange moss, which causes Candace to act almost exactly like she's high when she touches it, complete with a psychedelic background and music. Subverted since it was only the power of suggestion, and it's the blue moss that's the straight example. Then Candace looks down and sees that her hand has been in blue moss the entire time.
- Pirate Booty: The kids found it. It's full of beards.
- Treasure Map: Phineas' and Ferb's grandpa just happens to have one.