Season 01
Season 02
Season 03
Season 04
The card with the mask removal ingredient is lost. Hak Foo ends up with the Oni mask, and summons his shadowkhan, a tiny army that feeds on human shadows.
All Episodes - S04
EPS07
The Chans and the Dark Hand try to buy an Oni mask offered on an online auction. Neither wins, the winning bidder is familiar to both sides. The mask is split during a fight. Each side possess half a mask, but the mask does not want to be separated. Written by Jesse Sanchez
EPS11
In the future, Jade is in charge of Section 13, Drago, Shendu's son, has managed to capture Uncle and Jackie in the future. Jade travels back to the past to prevent Drago's rise to power, encountering Jackie, and her younger self.
EPS13
The final Oni mask is located. A hidden danger is uncovered, and all the Oni Generals are released, and the masks are destroyed. The only hope the J Team has is to defeat Tarakudo once and for all.