Maddie's Underwater Expedition

The eighth episode of Season 38. Maddie undertakes an underwater adventure to search for Badbeard's OTHER treasure. Doofenshmirtz sets up a new lair on Pancreas Island.

Episode Summary
Maddie is enjoying another summer day. She's tanning and listening to some rap by Waiter. Just then, a huge gust of wind blows and a paper hits her face. She finds out it's a map for Badbeard's other treasure. She questions the "other" part and wants to see where this treasure is. She thinks Phineas and Ferb would have their submarine still. Sure enough, they do. Maddie thanks the boys for the submarine and she heads off. Meanwhile, Perry goes into his lair through... a hot dog, out of all things. Perry wipes off the grease and receives his mission. Monogram tells Perry that Doofenshmirtz has a hideout on Pancreas Island, not to be confused with Spleen Island. Perry heads off in the hovercraft with touchy acceleration. His hovercraft coincidentally lands in Doof's new lair. Doof traps Perry in a lobster trap again. He presents the Drain-Inator. With it, he's going to drain all the water in the lake and use it to create a Doofenshmirtz Water Park. Perry rolls his eyes. Doof is making it mainly to get millions. With Maddie, she takes the submarine underwater. She takes it to find Badbeard's treasure. While she's underwater, she sees some pretty unusual things: a pineapple, a clown fish who seems lost, a manatee with a bow,