The Subway is an area that appears in the episode, "Yours, Mine and Mine."
The Subway entrance walls appear to be made of a grass material, with wooden braces. There is a metal shell on top of the entrance, and metal walls are visible going down into the station.
This subway has a station underground and a train that travels through it.
Role in the series
SpongeBob and Patrick accidentally fell into it when fighting over the Patty Pal.
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