There is only one reason to watch Lifetime’s unauthorized Brittany Murphy biopic Saturday at 8 p.m. — and that is to see the wigs: MoreMasters of Sex Gets Dark, Delves Deeper Into DesireWatch Gisele Bündchen Teach Jimmy Fallon How to PlankFrom the Border to Chicago: How Heroin Migrates NBC NewsReversing Course: Obama to Delay Action on Immigration Reform NBC NewsMeet the Moderators!