When Shifu's ex-girlfriend Mei Ling returns to the palace, Po tries to get them back together.

• Villain: Mei Ling

Hundun opens up a noodle shop of his own, forming a rivalry between him and Mr. Ping.

• Villains: Hundun and Hundun's Waiters

Gah-ri quits Fung's gang and gets a new job at Ping's noodle shop, making Po jealous, so he teams up with Fung to try and break them up.

• Villains: Fung & the Croc Bandits

A powerful gem stolen by Tong Fo gives Po the ability to read minds after being struck by lightning, but it isn't long before this new power starts driving everyone else crazy.

• Villain: Tong Fo

Master Yao returns and offers to share his knowledge with those who expose him to new marvels, but things get dangerous when Taotie asks him how to fix his latest super-weapon that will finally defeat Po and the Furious Five.

• Villain: Taotie

When a villainous clam from Japan deals Po a humiliating defeat, a samurai prawn arrives to help fight him, whom Po doesn't get along with.

• Villain: Kira

Shifu suggests that Po should take a vow of silence to help him focus, but he has problems keeping his mouth shut. So he uses Mantis' paralyzing moves to paralyze his vocal cords, which ends up causing trouble with Temutai's army.

• Villains: Temutai and his sons Chulun and Bataar

A once hero renegade cobra with the powers of the Dragon gods: (Super Strength, Super Speed, Super Intelligence, Stamina, Durability, and a poison that brings out the greatest fears in the minds of its victims) named Fu-Xi loose in the valley causes the villagers to display a negative attitude towards snakes, causing Viper to consider joining him, although she later tricks him into revealing where his fear toxin is kept and almost defeats him. Viper and Po must stop Fu-Xi from transferring his toxic fear venom into the Valley of Peace's new water dam.

• Villain: Fu-Xi

The local thugs love Mr. Ping's soup so much, the noodle shop becomes a villain hangout. When Tong Fo, the criminals' former boss, comes to Mr. Ping's Noodle Shop to offer him world domination will Ping decide if the thieves are more important than being good and honest or will Po have to fight his father, now a crime boss?

• Villain: Tong Fo

Po befriends a group of orphans who have been stealing money and goods from the villagers. Soon Po, Tigress, and Shifu discover they have been working for a clever pangolin named Sanzu who wants to use the children for his own purposes.

• Villain: Sanzu

Shifu grows tired of Po complaining and puts him in charge of training the Furious Five. The situation becomes worse when Fung and the Croc Bandits train with a powerful kung fu master named Gia and learn invincible fighting moves that quickly overwhelm the Furious Five under Po's pathetic training. Po and the Five discover that the Emperor of China sent Master Gia to train Fung and the Crocs as their replacements! Are they fired, or can they get their jobs back without disobeying the Emperor's seal?

• Villains: Fung & the Croc Bandits

Po is suspicious when Shifu gets back together with his evil ex-girlfriend, Mei Ling. It turns out that Shifu's old enemy, Master Junjie, blackmailed Mei Ling into stealing a golden crown for him by saying if she doesn't Shifu will never be safe with her. Is Po's master going to go to jail for her or will Po stop Mei Ling and Junjie?

• Villains: Junjie and Junjie's Furious Five

Shifu sends Po to shut down an underground fight club, but Po disobeys and joins the club instead, only to find that Peng, Po's old friend, is the leader. Soon, Tong Fo tricks Peng into fighting Po through threatening his girlfriend.

• Villain: Tong Fo

Po and the Furious Five must stop food-stealing rats to end a great famine, but will Po's weakness for food hinder the mission?

• Villains: Ju-Long & the Lao Shu and Madame Zhou

Po discovers the seeds of the Shuyong, the Tree of Eternity that will exist before and after time whose seeds are magical items that can send the user back in time if the user destroys one of these seeds. Po disobeys Shifu and uses the seeds for his own selfish purposes until Fenghuang gets a hold of one of these seeds. Shifu tells Po and the Furious Five that if she plants the seed, a tree similar to the Shuyong will grow and if she eats that fruit, she will have complete mastery of time. Fenghuang alters time and erases everyone except for Po who grabs her so she can't get away. Sadly, he drops a bag of the seeds and they explode sending both of them back before the beginning of time to where the mystic Shuyong lives. Po restrains Fenghuang only to be faced by the three powerful guardians of the Shuyong. They defeat the guardians and Po asks the Tree for his magic fruit, but the Shuyong replies that if Po or Fenghuang prove themselves worthy shall have his fruit. In the end, Fenghuang is sent into oblivion and the Shuyong Tree restores Po back to the original time where he finds everyone restored and burns the seeds all except for one!

• Villain: Fenghuang

Po's Chi needs to be reharmonized by means of musical kung fu, and time is of the essence, because Po must halt the Yaoguai, who are intent on stealing five musical instruments made by ancient masters in order to fight the evil ducks the instruments would play the Eternal Chord, (a harmonious song that transformed the earth from darkness and chaos to light and order) and then the wicked goose will use them to play a distorted, inharmonious song called the Anti-Eternal Chord which will destroy the world and un-create the universe.

• Villains: Yaoguai Duck Twins

Po must help Master Yao when Taotie and Bian Zao steal the secrets of kung fu from his mind while on their way to see a powerful master.

• Villains: Taotie, Bian Zao, Temutai, Hundun, Fung & Gah-ri

Po and Monkey discover a small village and meet an impostor claiming to be the Dragon Warrior.

• Villain: Shi Wo's acting troupe

Bian Zao steals magical lightning powers and teams up with Tong Fo and the Croc Bandits; Po and Taotie must keep Bian Zao from destroying the village.

• Villains: Taotie, Bian Zao, Fung & the Croc Bandits, Tong Fo

The Furious Five grow tired of the villagers not respecting them, even their old enemy, Hundun, doesn't see them as a threat anymore, as Po gets all the credit, which has them believing him to be responsible for the loss of respect. However, after their master revealed a portrait of Po being lifted by the Five and witnessing his efforts in trying to cover up, the Five realized that Po had nothing to do with the loss of respect from the villagers as they realized that it is all Shifu's doing, which leads to an argument and the Five quitting the Jade Palace to strike out on their own. Meanwhile, Junjie allies himself with Hundun to take down Po and Shifu. After Po gets captured, Shifu goes to the Five for help as he admits his mistake and apologized to them as they worked together to stop their enemies. Through their victory, the villagers respect the Five again.

• Villains: Junjie, Hundun

When a blow to the head leaves Po with amnesia, Fung and the Croc Bandits convince him that he is their evil bandit leader. However, Fung realized that he went too far when Po proves himself to be a really bad and misguided leader. Through his action figures, Po gets his memory back but doesn't remember anything that happen during his amnesia. After those events, Fung and the Croc Bandits decide to go straight right after doing time in prison.

• Villains: Fung & the Croc Bandits
• Note: This episode takes place after the series finale.

Shifu and Mr. Ping compete for Po's attention while on a camping trip.

• Villain: Kim the Invincible

After Zeng quits his job at the Jade Palace, Po tries to cheer up the weepy goose by telling him that he could be a kung fu master.

• Villain: Temutai

Po throws a birthday party for Shifu and invites the original First Furious Five to attend, except for Fenghuang.

• Villain: The Spirit of Xi-an

Po discovers that General Tsin's conspiracy theory about invading alien rice weevils is true.

• Villains: Alien Rice Weevils

When Po's childhood bully comes to town, Po must confront his fears or risk losing his mojo.

• Villain: Temutai

Po becomes Head of Imperial Security when Lu Kang returns to the Valley of Peace as Emperor. When an evil menace rises, Po has to turn to some surprising allies to save the day.

• Villain: Pang Bing