‘Sons of Anarchy’
9 p.m., FX
The League takes bold new steps in the quest to undermine Samcro, forcing the club to take explosive measures; Clay (Ron Perlman, above) and Gemma struggle to communicate; Tara receives a crash course in how to lay claim to her man.
‘Ruby & the Rockits’
7:30 p.m., Family
Ruby is sick of Jordan intruding on her life; David and Patrick help Ben with bully problems.
‘NCIS: Los Angeles’
8 p.m., WBBM-Ch. 2
Four months after being shot, Agent Callen (Chris O’Donnell) returns to the Office of Special Projects and joins the Los Angeles team on a kidnapping case. LL Cool J and Linda Hunt also star.
‘The Universe’
8 p.m., History
Experts come up with 10 ways the Earth could be destroyed, including swallowing it with a microscopic black hole, blowing it up with antimatter, hurling it into the sun and switching off gravity.
‘The Forgotten’
9 p.m., WLS-Ch. 7
Alex Donovan (Christian Slater) leads the Forgotten Network to identify “Highway Jane,” a young victim whose corpse was left in a woods.
‘The Good Wife’
9 p.m., CBS
Humiliated by her politician husband’s scandal, Alicia Florrick (Julianna Marguiles) musters her resilience and returns to work as a defense attorney, getting the case of a woman accused of murdering her ex-husband.
‘Late Show With David Letterman’
10:35 p.m., WBBM-Ch. 2
Former President Bill Clinton; professional basketball player LeBron James.
‘The Tonight Show With Conan O’Brien’
10:35 p.m., WMAQ-Ch. 5
Actress Rebecca Romijn; comic Lisa Lampanelli; Monsters of Folk perform
