Yin and Yang get into a fight while cleaning their room, and when Yin costs Yang the world record at a video game, he refuses to shower until one of them cracks and apologizes. But Yang is soon encouraged to clean himself up when his odor attracts the amorous advances of Malodia the Elephant, Princess of the Stink Aardvarks.

Yin falls in love with a person named Brett who actually turns out to be Yuck.

Yang is really interested in a girl named Lina, who is Yin's really good friend. The trouble is, Yang's behavior turns Lina off. So Master Yo suggests that Yang should try to be more like Yin in order to make Lina like him.

Dressed as a donkey, Yin and Yang infiltrate a bad-guy convention.

Yin and Yang are promoted.

Information on Yin and Yang is leaked to the Night Master and the twins try to find the culprit.

Yin takes credit for saving the mayor, without acknowledging Yang's help.

Melodia the Aardvark Princess returns to claim Yang until Fastidous makes Yin mad with the Stink Aardvarks.

Yin and Yang get a lesson in cultural enrichment when a foreign exchange student from Redneckistan named Jobeaux shows up. Meanwhile, the Chung Pow Kitties return in search of a powerful Woo Foo artifact. Yin and Yang suspect that there is more to Jobeaux than meets the eye.

Yin and Yang attempt to defeat a half-human, half-bull monster.

Yang endorses a toy line for money but doesn't realize that the toys are harmful to children.

Mr. Pondscum realizes he isn't a goldfish but a polliwog.

Yang loses his emotions after he is zapped by Fred.

Carl attempts to blot out the rays of the sun.

Yin and Yang are magically stuck together by Mastermind so they will learn to cooperate with each other.

Yin hosts her first slumber party but she drives everyone crazy with her strict schedule.

Carl tries to make Yang his evil minion.

Master Yo tries to teach Yin and Yang how to prevent Ella Mental from reading their minds.