W.I.T.C.H.: Season 2, Episode 22
V Is for Victory (18 Nov. 2006)
Will realizes that, due to Nerissa's carelessness, there is someone who can stop Nerissa - but, to achieve victory, it would require making a "deal with the devil": a devil named Phobos.
Director:Norman LeBlanc (as Norman J. LeBlanc)