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.

When the Heart of Jong falls into a crevice and is buried under a pile of snow while the Monks and Jack Spicer are trying to possess the Lunar Locket, the Shen-Gong-Wu's magic brings the pile of snow to life and Raksha is born. Wuya sides with him into bringing the Earth into a permanent Ice Age. Can the monks stop Raksha?

Master Fung gives the Warriors their new and most important responsibility: guarding the Heylin seed from the forces of evil. But when they fail, they must find the Moonstone Locust to defeat the evil plant. Meanwhile, Vlad returns and forms a partnership with Jack.

A new Shen-Gong-Wu is revealed, the Rio Reverso! A Wu that can change any object into its original form. Jack goes after it and with some help from Wuya Jack receives the Rio Reverso. Jack plots a plan to make an army of baby Dinosaurs made from oil. Wuya steals Jacks Rio Reverso and Wuya steals Jacks idea of an army of Dinosaurs and she ends up creating an adult T-Rex. How will the Wudai Warriors face this Dinosaur?

Hannibal Bean gets into Omi's head while he is sleeping and tells Omi that he should take all the Wudai Warriors elemental Shen-Gong-Wu and master the power of the elements to become the Xiaolin Leader. The whole thing was a set plot for Hannibal Bean, now will Hannibal Bean destroy Omi and take his elemental powers, or can Omi stop Hannibal Bean before it's too late?