The Spongebob Box meme, widely known as the 'Imagination' meme, originates from the season three episode titled 'Idiot Box,' which first aired in 2002. In the scene, SpongeBob explains to Squidward that he doesn't need a television because he has his imagination, physically manifesting a rainbow between his hands as he spreads them apart. The internet adopted this specific frame to mock people who invent scenarios, use 'creative' logic to justify things, or simply to express a sense of mock wonder. It has remained a staple of meme culture for decades due to its highly versatile and sarcastic potential.