'About a Boy'
NBC's adaptation of Nick Hornby's novel returns for its second season, as Will comes home from San Francisco, while Andy thinks Laurie might be pregnant. You should consider watching it if you haven't been — it's sweet and funny.
SEASON PREMIERE, 9:30 p.m., NBC
Coach and Jess find some difficulties in being coworkers after Jess is upset with him for hooking up with the school nurse. Meanwhile, Nick discovers all the fun of a landline when he starts taking calls for Winston and Schmidt on the loft's new phone.
9 p.m., FOX
'Marvel's Agents of S.H.I.E.L.D.'
Coulson tries to figure out what's going on with his alien writing, but then gets attacked by someone he trusted. It's just like high school!
9 p.m., ABC
A few big names come in to lend a hand again tonight: Stevie Nicks, Alicia Keys, Little Big Town and some guy who's married to Gwen Stefani (Gavin Rossdale. Please keep up with your celebrity gossip from 1999).
8 p.m., NBC