Soundtracks This new episode of the series that looks at historical events through the lens of music that was popular at the time revisits the aftermath of the Sept. 11 terrorist attacks. Billy Joel’s “New York State of Mind” is one of the featured tracks. 7 and 10 p.m. CNN
The Big Bang Theory Penny (Kaley Cuoco) considers accepting a job offer from her ex-boyfriend (Brian Thomas Smith), and Leonard (Johnny Galecki) is not happy. 8 p.m. CBS
Supernatural Sam (Jared Padalecki) devises a way to stop Lucifer’s (Mark Pelligrino) baby, while Kelly (guest star Courtney Ford) makes a bold choice about the baby’s...