After forgetting Yo's birthday, Yin and Yang are guilted into doing his bidding for one whole day. Meanwhile, Carl has a plan to trick Yin and Yang. Will the siblings be able to see through Carl's plan, or will they go on their way to oblivion?
This episode features Carl as the main antagonist.
- Amethyst of annihilation
- Marble of molten misery
- Saphire of still spinning soro
- This episode reveals that Edna is still has a crush on Master Yo.