Secrets of the Furious Five

Secrets of the Furious Five is an American animated short produced by DreamWorks Animation, which serves as a semisequel or spinoff to the animated feature film Kung Fu Panda and appears on a companion disc of the original films deluxe DVD release. It was later broadcast on NBC on February 26, 2009 and is now available as a separate DVD as of March 24, 2009.

Production of the film was outsourced to Reel FX Creative Studios, who worked on CG animation, and to Film Roman, who worked on traditionally animated sequences.Po Jack Black is assigned by Master Shifu Dustin Hoffman to teach an introduction to Kung Fu class for a group of rambunctious bunny children. Fortunately for Po, it doesnt take him long to bring the class to order and for the kids to calm down, and begins to emphasize to the kids that combat is not the only part of what Kung Fu is about, while its true meaning is excellence of self. To illustrate his point, he uses the stories of the Furious Fives individual pasts and the basic philosophical concepts they learned that enabled them to be great Kung Fu masters. ........

Source: Wikipedia