Ask your SpongeBob SquarePants related question here:

Re: SpongeBob never knew about air until in what episode? Add answer
Tea at the Treedome. He discovered what air was when he was inside Sandy's tree dome, which was full of it. This was most likely his introduction to air.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.