Jackie Chan Adventures - Season 4 - Eps 7: Half a Mask of Kung-Fu
Jackie and the enforcers locate the seventh oni mask at a yard sale where it is eventually bought by a man who owns a site the sales antiques. It is then sold and won by some rich guy who ends up being Valmont. Jackie and the enforcers go to Valmont's apartment to get the mask and there is a big fight. During the fight, the mask is broken in half by Hak-Foo and one half goes to Valmont and the other is caught by jade. Valmont puts on his half and summons half of the shadowkahn. Jade puts on the other half and summons the other half, which don't have heads). They end up in a building where the two halves of the maske get together and combine the shadowkahn into one so that they can defeat Jackie. While this is happening, Jade and Valmont are trying to get the half masks off themelves because Valmont wants money and the mask wants power. Eventually they get the mask removal potion and take the halves off each other.
About Jackie Chan Adventures

Title: Jackie Chan Adventures
First Air Date: 2000-09-09
Last Air Date: 2005-07-08
Status: Ended
Rating: 8.16/10 (from 823 votes)
Language: EN
Seasons: 6
Total Episodes: 95
Network: The WB
Genres: Action & Adventure, Animation, Comedy, Sci-Fi & Fantasy
Production Companies: Columbia TriStar Television, Adelaide Productions, Blue Train Entertainment, The Jackie Chan Group
Synopsis
Jackie Chan teams up in this animé-style adventure with his 11-year-old niece, Jade, traveling the globe to locate a dozen magical talismans before the sinister Dark Hand does. Helping Jackie and Jade is Uncle, a cantankerous but wise antiquities expert. Though officially Jackie works as an archaeologist, in reality he also assists Captain Black, leader of the covert police squad Section 13.
Cast

Jackie Chan
Self

James Sie
Jackie Chan (voice)

Stacie Chan
Jade Chan (voice)

Sab Shimono
Uncle (voice)

Noah Nelson
Tohru (voice)