It is a blue soda machine that has a blue logo, a yellow logo, a green logo, and a brown logo on top of each dispenser, indicating which type of soda it is. Lastly, there is a sign on top of the machine that reads "soda" in red capital letters.
Role in series
"Born Again Krabs"
After Mr. Krabs receives a $10,000 hospital bill and realizes that he is not dreaming like he thought he was, he revokes all the free things he gave to the customers, one of which is a soft drink. He puts the cup for it near the soda machine's dispenser and the cup's contents go back into the machine in reverse.
"Banned in Bikini Bottom"
Squidward is stacking cups in the form of a triangle near the soda machine. During the process, SpongeBob expands himself by sucking in air. He then releases the air, which knocks over the stacked cups and Squidward.
A catastrophic event of a fried Squidward being sent flying across the Krusty Krab ends with him dodging the soda machine, destroying it in the process.
"Eek, an Urchin!"
An urchin jumps onto the machine and somehow ends up in the soda. Dave walks up to get a soda from the machine, only to find the urchin in his soda not long after.
"The Incredible Shrinking Sponge"
SpongeBob, having shrunk, hangs onto the lever of the soda machine in the kitchen to spill soda on an urchin as a means to drain it away.
In the episode "The Incredible Shrinking Sponge," it is very small and kept in the kitchen unlike in its other appearances.