The Big Bang Theory When Howard (Simon Helberg) plans a birthday celebration for his little daughter (voice of Pamela Adlon), Sheldon (Jim Parsons) goes over the top with a party for Amy (Mayim Bialik), built around an authentic “Little House on the Prairie” themed dinner, in this new episode. Also, a Christmas letter from his brother sends Leonard (Johnny Galecki) into a shame spiral. 8 p.m. CBS
Young Sheldon George Sr. (Lance Barber) takes Sheldon and Georgie (Iain Armitage, Montana Jordan) to Florida, to see a space-shuttle launch firsthand. Back home Mary, Missy and Meemaw (Zoe Perry, Raegan Revord, Annie Potts) have their own...
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.