SpongeBob SquarePants Season 5 Episode 5 New Digs - Krabs à La Mode >Plankton alters the Krusty Krab's thermostat as part of another Krabby Patty stealing scheme. It backfires on him when Mr. Krabs turns the Krusty Krab into a skating rink and a frozen wasteland with deadly ice chunks. Plankton goes in and attempts to steal a patty himself but gets pummeled. He freezes the customers, but Mr. Krabs stops him and sets the thermostat to freezing when Plankton falls into the water, turning him into an ice cube. The Krusty Krab is turned into a popular public pool the following summer.