Po wants to expose a fraudulent Dragon Warrior, but doing so may cause trouble.
Mystic secrets are stolen from Master Yao's head, so the master turns to Po for help.
Po needs to be reharmonized by means of musical kung fu, and time is of the essence, because Po must halt Yaoguai.
Po finds a magic seed that sends the user back in time.
Po and the five try to stop a band of food stealing rats.
When an underground Kung Fu Fight Club shows up, Po is ordered to shut it down.
Po is suspicious when Shifu gets back together with his evil ex-girlfriend, Mei Ling.
Po, convinced that the Furious Five have gotten so good at Kung Fu that they don't need to train anymore, decides to beat the Crocodile Bandits with only his pinkies in order to prove his point. Shifu, unable to convince Po or the Furious Five otherwise, decides to let Po be in charge of training. Unfortunately, Shifu could not have picked a worse time to let Po be in charge when a mysterious, new Master comes along and agrees to train the Crocodile Bandits, in order to replace the Furious Five! When Po and the Furious Five discover that the Crocodile Bandits have become better Kung Fu Warriors than they are, and are even saving the day before they can, Po will need to find a way to whip the Furious Five back into shape before the Crocodile Bandits permanently replace the Furious Five, for good!moreless
When Mr. Ping's new soup makes him popular with the criminals, he becomes "The Goosefather", the new crime boss.
When former cobra hero (now turned villain) Fu-xi arrives in the valley, the people prejudge all snakes including Viper.
When Shifu challenges Po to remain silent to improve his Kung Fu, his silence threatens the village.
A honorable shrimp from Japan arrives to help the Jade palace deal with an evil clam.
Chaos ensues when the Valley of Peace inhabitants try to find new wonders to trade to Master Yao for answering any question they wish.
After a lightening strike, Po can read people's minds and must learn control before he alienates everyone he knows.
When two of the crocodile bandits get into a fight, the village is put in chaos unless Po and Mr. Ping can help them makeup.
When Po gives encouragement to Hundun, he opens his own noodle shop and the competition with Mr. Ping's shop threatens the shops if Po can't find a compromise.
Po decides to play matchmaker between Master Shifu and his old girlfriend, not realizing she despises Shifu and wants to destroy him.