The Big Bang Theory Leonard, Penny and Raj (Johnny Galecki, Kaley Cuoco and Kunal Nayyar) settle into their new living arrangement while Sheldon (Jim Parsons) suddenly shows an interest in Amy’s (Mayim Bialik) work in this new episode. 8 p.m. CBS
Supernatural Sam and Dean (Jared Padalecki, Jensen Ackles) join others in a hunt for a werewolf, which bites Claire Novak (recurring guest star Kathryn Love Newton), and the Winchester siblings have to try to save her. Adam Fergus also guest stars. 8 p.m. KTLA
Grey’s Anatomy When Maggie’s (Kelly McCreary) mother (guest star LaTanya Richardson Jackson) takes a turn...
Tony Award winner Idina Menzel will sing "Let It Go," written by Kristen Anderson-Lopez and Robert Lopez for Disney's animated musical "Frozen." The number is nominated for original song, and the film is nominated for animated feature.