The Big Bang Theory Bernadette's (Melissa Rauch) news gets out, and everyone is happy about her pregnancy, except dad-to-be Wolowitz (Simon Helberg) in this new episode. 8 p.m. CBS
You, Me and the Apocalypse Jamie and Dave (Mathew Baynton, Joel Fry) go inside a psychiatric hospital, where they can be directed to Ariel (also played by Baynton) in this new episode. 8 p.m. NBC
Grey's Anatomy The aftermath of the attack on Meredith (Ellen Pompeo) continues to play out in the new episode. Chandra Wilson also stars. 8 p.m. ABC
American Idol Fan favorites Constantine Maroulis,...