Master Udon's tower is a tower located on Karate Island that first appears in the episode "Karate Island" and the video game Fists of Foam.


The tower is yellow in color with one bamboo green roof.

Role in episode

Sandy must navigate her way through four floors to rescue a kidnapped SpongeBob.

Floor 1

Karate Island 07

Sandy encounters The Tickler, who starts to tickle her with his metal tickling claws. Sandy's defenses have been broken and she starts to laugh. She then brings out some jelly-filled donuts and propels them into The Tickler's mouth. He lay strewn on the ground asking for a Wet nap. Sandy advances to the next floor.

Floor 2

Karate Island 08

Sandy encounters Lip Service who uses her enormous lips to block Sandy's path to the next room. Lip Service sends Sandy backwards when she finally succeeds at hitting her, but then Sandy retorts with a hairdryer to shrivel up Service's lips. This leaves Lip Service on the floor trying to moisten up her lips using lip balm, but they crumble away before the lip balm can take effect. Sandy advances to the next floor.

Floor 3


This is the penultimate floor where Sandy encounters Filthy Phil who uses his body odor to try and repel Sandy. This does not work as Sandy has a fresh air dome, which the odor cannot penetrate. Phil sniffs his own odor and passes out, leaving Sandy able to advance to the final floor.

Floor 4

Sandy encounters Master Udon. Sandy goes to attack him but she then becomes entrapped in a birdcage. Master Udon refuses to release SpongeBob until he signs a contract. The contract making SpongeBob buy real estate. After Master Udon explains his plans Sandy breaks free from the cage. After an epic battle, Sandy becomes the victor leaving her and SpongeBob being able to go back to Bikini Bottom.
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