NCIS (8 p.m., CBS) – The murder of a retired retired Navy Lieutenant Commander forces Ducky to disclose his participation in a secret society devoted to solving cold cases.
The Gospel According to Mac (9 p.m., ESPN) – In this “30 for 30” documentary, the polarizing beliefs and on-field successes of former Colorado football coach Bill McCartney.
iZombie (9 p.m., CW) – Liv, Babineaux and Ravi investigate a peewee coach’s death.
Wicked City (10 p.m, ABC) – Serial killer Kent struggles after realizing that his girlfriend Betty doesn’t trust him.
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Frontline: Terror in Little Saigon (10 p.m., UNC-TV) – An investigation into murders and attacks against Vietnamese-American journalists uncovers a trail from American cities to the jungles of Southeast Asia.
Drunk History (10:30 p.m., Comedy Central) – This episode focusing on New Mexico history includes the truth behind the Roswell UFO conspiracy.