Star Trek: Discovery (8:30 p.m., CBS) – The first episode of this new series debuts, but subsequent episodes will air on CBS All Access, a subscription streaming service. It’s set roughly a decade before the original “Star Trek” series, following the crew of the USS Discovery. It’s “Star Trek,” but it’s a new ship with new characters and all new missions.
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NC Bookwatch (Noon, UNC-TV) – Renee Ahdieh talks about “The Rose & The Dagger.”
The Vietnam War (8 p.m., UNC-TV) – In the sixth part, shaken by the violence of the Tet Offensive, assassinations and unrest, Americans begin to doubt President Johnson’s promise that victory in Vietnam is near.
Who Shot Biggie and Tupac? (8 p.m., Fox) – Ice-T and Soledad O’Brien lead an investigation into the unsolved murders of hip-hop legends Tupac Shakur and Biggie Smalls.
Ballers (10 p.m., HBO) – In the Season 3 finale, Spencer and Joe get a late-game assist in their efforts to win over team owners.
Episodes (10 p.m., Showtime) – Beverly is forced to tell the truth about Merc after Carol reveals she is pregnant.