This episode aired in April 18, 2009. The Next battle with Eradicus has come at last! Unfortunately for Yin and Yang, the parents of their Woo Foo Army refuse to let their kids fight! Even worse, Eradicus has learned from a captured Master Yo the darkest secret of Woo Foo: The Woo Foo Aura Drain! And he has used it to zap Yin of her aura! The only cure is an Aura Transfusion from a parent (or children which Yin and Yang do not have)! Now, Yang's sword must guide Yin and Yang to their long-lost parents before Yin vanishes from existence while Eradicus's forces decimate their defenseless town! Who are Yin & Yang's parents? Will their army be allowed to fight? Will Eradicus be defeated for good, or is the world doomed to become a modernless wasteland filled with Eradicus's accordion-based ter