X-treme Soda is a beverage that only appears in the episode "Sun Bleached."
It comes in a realistic can that is light red and dark green, and depicts the drink's name inscribed in dark red text, with the letter "X" in yellow outlined by red.
Role in series
When SpongeBob asks Patrick how he feels after getting out of the tanning booth, Patrick says that he feels equivalent to the "hip young old folks" who advertise soda. The scene then cuts away to a commercial for X-treme Soda, with an old man repeatedly deeming it "radical" and drinking a can of it.
This is the only drink to be shown in a commercial in the series.
This is a real-life drink with a human man advertising it.