Yarennoka! was a mixed martial arts (MMA) event that took place on December 31, 2007 at the Saitama Super Arena in Tokyo, Japan. The event was promoted by the Yarennoka! Executive Committee, composed of former Pride Fighting Championships executives, and held in association with Fighting and Entertainment Group, DEEP, and M-1 Global. The event aired on HDNet and was billed as "Fedor Returns" in the United States; while it was shown on SKY Perfect, a Japanese pay per view network.
