"Yin Yang You!" is the sixty-third episode of Yin Yang Yo! It premiered on April 5, 2009, and is the thirty-seventh episode in season two.
It's Lina's birthday, and Yin and Yang each want to celebrate her birthday without the other one around. When Carl finds that Lina has the power to make Yin and Yang fight each other, he sends them all to Earth. Once there, they all take on a more realistic appearance.