A shark-like experiment capsizes ships and wreaks havoc.
While helping Keoni practice for a boat race at the beach, Lilo sees an ominous shark fin heading straight for his boat. He jumps out as the fin effortlessly shreds the boat in half. Lilo goes back home and demonstrates for Jumba what happened at the beach, and Jumba recognizes the shark as experiment 602, designed to slice ships in half and sink entire fleets. Realizing that Keoni's boat race is in jeopardy, Lilo makes a plan to capture 602.
Gantu, tracking 602, rents a boat with Reuben and sets out on the open sea. However, 602 slices his ship in half and sinks him. Lilo and Stitch have no better luck using Jumba's high-tech water buggy, and they too have their ship sliced in half.note Jumba and Pleakley use a rowboat to save Lilo and Stitch, but the boat is once again destroyed by 602.
As the four slowly drift out to sea, they see a passing cruise ship. Stitch climbs aboard the ship to lower the anchor into the water, hoisting everyone up onto the deck. Lilo and Stitch look for the captain in order to find a way off the ship and bask in chasing 602. However, an overly cheerful, slightly off-putting cruise director finds them and sends them to the ship's daycare. They try to escape but are caught once again. The cruise director discovers that they (along with Jumba and Pleakley) are stowaways and send everyone to the brig. The captain announces that they will make a stop at Kauai island, but since that is where 602 is, the cruise ship is sure to be sliced in half.
Jumba reveals that he had been making a diving suit for Stitch while Lilo and Stitch were stuck in daycare, and hidden it in a nearby lifeboat. But first thing's first, they need to bust out of the brig. Literally, bust out. As in, Stitch punches a giant hole in the wall and they all climb through. Stitch puts on the diving suit and jumps in the water to battle 602. Everyone else disguises themselves as tourists and tries to find the captain. They open the door to the bridge but accidentally knock the captain out of the window and into the water in the process.note With no captain to steer the ship, Jumba and Pleakley fight over who should man the controls until the steering wheel breaks in half.
Stitch confronts 602 underwater nearby the ship. After a scuffle, Stitch climbs back on the ship and rips out its anchor, using it to wrap around 602, containing it successfully. The ship softly runs aground on a sand bar as Lilo jokingly comments that she found a new boat for Keoni's competition. Everyone disembarks the cruise ship and celebrates at a local Japanese restaurant. 602 (now named Sinker) has found his one true place as a hibachi chef — cutting things to his heart's content.
Experiments who appeared or were mentioned in this episode:
- Sinker (X-602): This episode's Monster of the Week; a purple shark-like experiment who is designed to sink ships with his large, sharp dorsal fin.
- Reuben (X-625)
Tropes featured in this episode include:
- An Aesop: Never give up!
- The Cameo: Pudge appears in a brief scene where Lilo feeds him his weekly peanut butter sandwich.
- Idiot Ball: Even if the steering wheel broke, they could have simply stopped the boat by setting the throttle to neutral or reverse. Not that it really mattered, since the whole "we can't stop the ship!" plot thread just kinda gets... dropped due to time constraints?
- Running Gag: Gantu and Reuben repeatedly go out to sea on a boat only to have it cut in half immediately by 602 every time. The final time, it's not even 602 that destroys their boat, it's the cruise ship Pleakley is steering.
- Villain of Another Story: If the Stewardess wasn't simply doing her job, she would count as an antagonist for throwing Lilo and Co. in the cruise ship's prison.
