Sweet'n'Sour (S02E04)

Speedy Panda restaurants have popped up all around, bringing with them their crew of biker delivery boys. Tensions escalate, leading to the declaration of a "food war." Enter the food critics, and Pigsy along with his pals find themselves in a culinary showdown at the Food Olympics against Speedy Panda. To their surprise, the restaurant is run by none other than Jin and Yin, the notorious Gold and Silver Demons!