Living large and loving life, Po ( Jack Black) realizes that he has a lot to learn if he's going to fulfill the next challenge from his beloved instructor ( Dustin Hoffman) .
After reuniting with his long-lost father ( Bryan Cranston) , Po must transition from student to teacher and train a group of fun-loving, clumsy pandas to become martial-arts fighters. Together, the kung-fu brethren unite to take on the evil Kai ( J.K. Simmons) , a supernatural warrior who becomes stronger with each battle.
