"Po" desires a tranquil existence, though Master "Chifu" has different intentions. He wishes to reconnect with his chi and requests that a dragon lord oversee the training of his friends. The panda, who is now reasonably skilled, considers this notion unwise but feels powerless to object. While in the village one day, he encounters another, larger panda searching for his missing child. A short period of uncertainty passes before embraces and tears, and suddenly "Po" has two fathers! Fortunately, it’s soon revealed that the long-imprisoned bull “General Kai” has broken free from his interdimensional confinement, intending to obliterate everything linked to his former instructor “Oogway”—and nearly everyone falls into that category. Team "Po" must unite to confront this formidable adversary, leading them to a previously unknown panda realm and an ultimate battle against their chain-wielding enemy. Will "Po" have faith in himself? Can his newly formed family and his original one collaborate to assist him? I don't envision substantial peril here, but the characters are appealing, and I appreciate this creature’s humility regarding his abilities. Group effort? Present. Family complications? Absolutely. Numerous action sequences? Certainly. It's essentially a familiar retelling of previous installments in the series, employing distinctive animation to narrate an adventure suitable for all ages. The film avoids pretension, which is another appealing aspect of this storyline, and incorporates just enough mythology to maintain its uniqueness. While not as exceptional as the initial film, the strong cast of creatures and acrobatics contribute effectively to a swiftly moving family-friendly escapade.

Source on TMDB