"Krab Borg"

"Krab Borg" is an episode of Spongebob Squarepants. It is episode 49 of season 3. It first aired on March 29, 2002.

This is the episode where the Robot Krabs meme originates.

Synopsis
After watching a "scary" robot movie Songebob believes that everyone he knows may be a robot in disguise. At work Spongebob begins to believe Mr. Krabs is a robot after hearing him making beeping noises. After Spongebob see's Mr. Krabs dancing like a robot, he is 100% convinced and he convinces Squidward soon after. Together, they interrogate Mr. Krabs, and begin smashing his appliances, until Mr. Krabs starts crying, where Spongebob confirms that Mr. Krabs isn't a robot because "robots can't cry".