What is the source episode of the Squidward tanning meme?

The Squidward tanning meme originates from the "Squidward in Clarinetland" episode of SpongeBob SquarePants, which is the 15th episode of Season 3. In this episode, Squidward tries to tan himself but ends up turning a bright shade of orange. The image of his over-tanned appearance became a popular meme, often used to humorously illustrate situations of embarrassment or extreme reactions.