Yin and Yang use the Chronologicum to travel back and time and unmask The Night Master's spy, but a mishap causes them to get separated in two different times.

BURBANK, February 23: The animated series Yin Yang Yo! has been ordered for a second season of 26 half-hour episodes by Jetix in the U.S., airing as a block on the Toon Disney channel. The second ...

ORIGIN: Bob Boyle, the creator of the show, explains, “The idea for Yin Yang Yo! started when my wife and I were at a Tofu festival in Los ...

The Night Master plots to kidnap Master Yo so he can plunge the world into darkness and be free.