Omi, a young Xiaolin Dragon-in-training, is joined at the Xiaolin Temple by three new students, Kimiko, Raimundo and Clay. Initially, they don't get along at all. But when the ancient evil spirit Wuya is set loose after a thousand years of imprisonment, Omi soon learns to appreciate his new companions.

Everyone doubts Clay's competence. But when Omi, Kimiko and Raimundo are trapped in a magic box, it's up to Clay to save the day, which he does in his own slow and steady style.

To wield the latest Shen-Gong-Wu, the Tangle Web Comb, Kimiko must learn total focus. With her quick trigger temper, that's not easy. Will Kimiko use the Tangle Web Comb to save the day and defeat the forces of evil?

Jack recruits Katnappé, confident that she will be the one to finally take down the Xiaolin Warriors. Using the Golden Tiger Claws, Katnappé goes untouched against her foes and constantly outsmarts them. However, she also misuses them by pilfering from numerous places for her own pleasure. Omi and the rest start to get frustrated, and begin to stragetize on how they'll be able to stop this "cat burglar".

Jack recruits a new villain to help him steal back the Shen-Gong-Wu. That villain is Tubbimura, who is an overweight ninja. Tubbimura finds out where the next Shen-Gong-Wu, the Sword of the Storm, is hidden, and he immediately races out to find it. Omi and the rest sniff it out, too. Raimundo finds it by accident, and right there beside him is Tubbimura. Raimundo doesn't use the Sword of the Storm properly, and Tubbimura takes it from him, leaving Raimundo in the dust. Angered that he lost, Raimundo decides to study all he possibly can about the Shen-Gong-Wu so he can use what he knows to take it back from Tubbimura.

Jack kidnaps Kimiko, without the Warriors knowing, and replaces her with his latest invention: the Chameleon Bot. The robot can transform into anyone or anything it wishes, and Jack sends it to the Xiaolin Temple under the guise of Kimiko. His plan is for her to stroll right in and steal all the Warriors' Shen-Gong-Wu.

Omi misuses the new Shen-Gong-Wu, Ring of the Nine Dragons, which duplicates its bearer up to nine times. His plan is to try and do everything at once with his eight twins, but doesn't know that the Ring also divides your personality, intelligence, potential, etc. Omi uses the Ring again when looking for another Shen-Gong-Wu to cover more ground, but crosses paths with Jack, and one of the Omis unwittingly starts up a Xiaolin Showdown.

The Xiaolin Warriors uncover a mysterious Shen-Gong-Wu that holds a secret power: Once unleashed, it takes the form of a dragon and turns anybody it comes across into a sapphire statue. It all rests on Dojo to stop the Sapphire Dragon ... for everyone else has been turned to sapphire.

The gang travels to New York, where a new Shen-Gong-Wu, the Serpent's Tail has been revealed. Omi gets seperated from the group and is soon lost in the big city. Jermaine, a boy that lives there, befriends Omi and tries to help him find the Serpent's Tail. Jack and Wuya soon arrive, along with the Xiaolin Warriors, who just happen to both catch the Serprent's Tail at the same time, creating a Xiaolin Showdown involving a basketball game.

Clay's dad shows up at the Xiaolin Temple with the intention of bringing Clay back to the ranch for good. Clay tries, however, fails to convince his dad that he needs to stay with his fellow Xiaolin Warriors. Daddy Bailey takes his son back to Texas, but Dojo later realizes that Clay's dad is unawarely wearning an inactive Shen-Gong-Wu around his neck, thinking its a lone star. It activates and now the gang must travel to Texas to stop Jack from stealing Clay's Dad's Shen-Gong-Wu.

Not a single Shen-Gong-Wu has been revealed for the past few weeks, making the Xiaolin Warriors edgy. Suddenly, 4 Shen-Gong-Wu are revealed at the same time. In order to accomplish this task, the Warriors split up. Kimiko goes to a swamp, Raimundo to a beach, Clay to the Arctic, and Omi to a desert. However, Jack and Wuya are also trying to get these new Shen-Gong-Wu. Katnappé, Tubbimura, and the Chameleon-Bot (version 2.0) decide to help Jack and Wuya track them down. What happens when there are 4 Xiaolin Showdowns at the same time? How will the Xiaolin Warriors prevail?

Wuya uses the Heart of Jong to bring Mala Mala Jong, the Shen-Gong-Wu compiled warrior from several thousand years ago, back to life. This causes a major problem for the Xiaolin Warriors & Master Fung, as none of their Shen-Gong-Wu or forces can stop this incredible warrior ...

Wuya uses Raimundo to steal Shen-Gong-Wu from the other three Chosen Ones. What then happens, she uses the Serpent's Tail & Reversing Mirror (a Shen-Gong-Wu that reverses the effects of another) to become human once again...

After learning none of the Shen-Gong-Wu can stop Wuya, the Xiaolin Apprentices team up with Jack. They figure out the only way they can put an end to Wuya's reign is to travel back in time 1500 years, where Grandmaster Dashi first defeated her. Omi goes through Jack's time machine alone with only one Shen-Gong-Wu, leaving the rest with the other three to protect themselves. Omi's plan is to find Dashi and receive another puzzlebox to trap Wuya in.

With Omi still trapped in the past, the Dragons and Jack Spicer are captured by Wuya's evil forces. The final chapter is at hand, and Raimundo must come to gripes on where he belongs...

After Katnappé releases Wuya from the puzzle box, the two form an unhealthy alliance. Jack builds another robot, but this time, it's a clone of himself, who is much quicker, smarter, and gets all the good jokes. Jack and his clone use the newest Shen-Gong-Wu, Shard of Lightning, to freeze time and quickly steal most of the Warriors' Shen-Gong-Wu. The Warriors must think of a plan to stop them, while Wuya starts to regret teaming up with Katnappé.

After helping the Warriors acquire a new Shen-Gong-Wu, a Russian vendor named Vlad joins the Xiaolin Dragons-in-training. When Omi uses the new Shen-Gong-Wu, Crystal Glasses, he sees that he becomes evil in the future. Upon seeing this, he quickly leaves the Xiaolin Temple, deciding that he can no longer continue to be a Xiaolin Dragon-in-training.

Jack stupidly sells all his Shen-Gong-Wu, except for the Monkey Staff, in order to buy robot parts so he can build a robot servant. He sells them to Pandabubba, the crime boss that works in Hong Kong's underworld. Pandabubba sends his henchmen all over Hong Kong, equipped with the Shen-Gong-Wu, to loot. The Xiaolin Warriors must figure out a way to stop them, but their faith lacks in Raimundo, as he still isn't a Xiaolin Apprentice.

Jack and Wuya have a new minion - Cyclops, a one-eyed monster that's short on brains but long on strength and size, who is seemingly unstoppable. In order to combat this new threat, Omi simultaneously uses the Changing Chopsticks and Reversing Mirror to super-size himself. But size isn't everything, as Omi soon learns.

Dojo's craving for Shen-Gong-Wu reaches the breaking point, which causes chaos for everybody. It happens every 1500 years, and Dojo must be locked in a cage for 24 hours to calm down. This doesn't last long, however, as Dojo tricks Omi and goes loose. Growing a second head, Dojo becomes evil and goes on a rampage throughout China searching for Shen-Gong-Wu.

After receiving a warning message from Omi in the future, the Warriors set out to find the time-traveling Shen-Gong-Wu, Sands of Time. In the message, future Omi explains that evil is ruling the universe, and the Sands of Time is the key to changing the future. Jack, however, beats them to it and uses it to travel back in time to recruit some of the world's ruthless villains. He also brings his future self into the present time, knowing that future Jack already knows the locations of all the Shen-Gong-Wu before they reveal themselves!

The Warriors are having trouble working together as a team. After finding the Mind Reader Conch, each Warrior uses it to see what the other thinks about them, which only continues their problems. Jack introduces his latest invention, the Molar 2000, which he uses to break into the Temple vault, stealing most of their Shen-Gong-Wu. The Warriors team up with Jack's visiting cousin, Megan, to try and retrieve what's rightfully theirs.

Using the newest Shen-Gong-Wu, Shadow of Fear, Jack enters the Warriors' dreams to bring their deepest and darkest fear to life. With no one guarding the Temple vault, Jack easily steals some Shen-Gong-Wu. Master Fung advises the Warriors that they must face their fear in order to ultimately overcome it. All the while, Jack directs a movie about his adventures with the Warriors.

Guan, one of the greatest warriors of all time, shows up and meets the Xiaolin Warriors for the first time. Guan tricks Dojo to accompany him to a palace where Chase Young, one of the most evil villains of all time, resides. However, Dojo doesn't know this. There, Guan trades Dojo to Chase in order to get his Spear of Guan back. Without the Spear, Guan is practically nothing. Dojo is horrified when he learns what Chase plans to do with him.

After Kimiko accidentally breaks the Mosaic Scale, she hides the pieces in Clay's room. The next day, Clay starts acting weird ... and acting up. It turns out that the Mosaic Scale was used to contain a mischievous spirit named Sabeeny, an earwig who has possessed the Dragon of Earth. If Sabeeny finds the Monarch Wings, the sister Shen-Gong-Wu to the Scale, and combines them with the Mosaic Scale, it will no longer need a host! The earwig will become invincible! Can the Warriors stop Sabeeny?