"An Oldie but a Goodie" is the second segment of the second episode of Yin Yang Yo! It premiered on September 4, 2006 alongside "600 Channels of Doom".
Yin and Yang tell Yo that he is old, and Yo makes them pick up his medication. Yo throws a party to look cool, but Yin and Yang make Yo's old enemy, Kraggler, mad. Kraggler turns everyone, except Yin and Yang, into old people.