It's very possible that you might be remembering a different cartoon or a fictional scenario. Perhaps you're thinking of a parody or a fan-made video.
To help you find the specific episode you are looking for, it would be helpful to know:
* What year you think you saw the episode?
* What was the general plot or theme of the episode?
* What was the name of the animation studio that made it?
Providing more details will increase the chances of finding the episode you are looking for.