You will Watch W.I.T.C.H. Season 2 Episode 13 online for free episodes with HQ / high quality. Stream cartoons W.I.T.C.H. Episode 13 M is for Mercy, Shagon returns to Heatherfield as his old self, Matt, and keeps W.I.T.C.H. distracted while Nerissa corrupts Cassidy Chacon into joining her. Will stops being angry about her mother’s and teacher’s relationship.