Mission Yinpossible / Disapp-Eared.Mission Yinpossible: Carl receives magical slippers that grant him his heart's desire. Carl's desire is for everyone to bow down to him as the ruler the planet. But instead, it gives Carl the love that his mother, Edna, gives more to Herman. When news comes about the new Carl-loving Edna moving into a new house for Carl, Yin and Yang try to steal the slippers from Carl because they think he's going to do something evil with them. Master Yo didn't like the idea because Carl hadn't done anything evil for more than three months, but they sneak off to Carl's new home and try to steal them anyway.
Disapp-Eared: During the battle with a weird rhino, Yin tries out her new Yin-visibility technique. Yang was supposed to try his new move, but he didn't learn it last night. While watching the two Woo Foo warriors battle, Carl was impressed by Yin's new powers and decides to steal them with a machine that he bought from evilBay that can suck the powers out the anyone. Jealous of his sister and struggling with a power he's supposed to learn, Yang decides to learn his new move. But he makes a mistake and gets Yin's invisibility move instead. By misspeaking the magic words, Yang turns invisible and can go through anything, but no one can hear him. Meanwhile Yin is kidnapped by Carl.