You will Watch W.I.T.C.H. Season 2 Episode 20 online for free episodes with HQ / high quality. Stream cartoons W.I.T.C.H. Episode 20 T is for Trauma, Nerissa appears disguised as a student at Sheffield, but is soon uncovered and a battle ensues. The girls win by switching their enemies, knowing that element against element will only make them lose as the former Guardians have stronger powers and are more experienced. Hay Lin begins to wear braces on her teeth.