Season 4 aired between 13 Sep 2003 and 14 Feb 2004, 13 episodes.
Episodes
E01
The Masks of the Shadowkhan
13 Sep 2003
E02
Samurai Ratso
20 Sep 2003
E03
The Amazing T-Troop
27 Sep 2003
E04
Black Magic
04 Oct 2003
E05
The Demon Behind
11 Oct 2003
E06
Fright Fight Night
25 Oct 2003
E07
Half a Mask of Kung-Fu
01 Nov 2003
E08
The Shadow Eaters
15 Nov 2003
E09
The Good Guys
22 Nov 2003
E10
Déjà Vu
17 Jan 2004
E11
J2: Rise of the Dragons
31 Jan 2004
E12
The J-Tots
07 Feb 2004
E13
Ninja Twilight
14 Feb 2004