Xiaolin Showdown (2003)

S1E13 In the Flesh

Wuya manipulates Raimundo into taking Shen-Gong-Wu from the other three Chosen Ones. After successfully obtaining them, she employs the powers of the Serpent's Tail and the Reversing Mirror, a Shen-Gong-Wu capable of undoing transformations. With these artifacts, she is able to regain her human form once more...