Voyage to the Center of the Yo / Sitting Shaggler

S1 E23: Voyage to the Center of the Yo: With the help of the Night Master's shrinking spell, Yuck has sequestered himself INSIDE Master Yo and now Yin and Yang have to travel through the disgusting old panda's innards to do battle! / Sitting Shaggler: Yin and Yang need to earn money, so they open a baby-sitting service. And their first ward is Shaggler, the infant nephew of enemy Kraggler. Yin and Yang think the baby's just a baby, but he's exhibiting some very grown up traits.