Yin! Yang! Yo! Episode 39 - Wonder Tweens Go! / Touchy Feelings >Fred is conflicted because he is unsure if he should be a good guy or a bad guy. But when he runs into Yin and Yang at the mall, he gets mad and zaps both Yang and Master Yo. Master Yo's body begins to fall apart, and Yang loses his emotions. At first, Yin thinks an emotionless Yang is going to be awesome, but she soon realizes Yang is useless in a battle without all of his feelings.