Summer Olympics (NBC, other channels) – The games continue. Lots of action today, including live coverage of swimming finals, featuring world record-holder Katie Ledecky in the women’s 400m free and Dana Vollmer in the women’s 100m fly. Check out the full TV and live-stream schedule at nbcolympics.com.
N.C. Bookwatch (Noon, UNC-TV) – Art Taylor talks about “On the Road with Del & Louise.”
The Night Of (9 p.m., HBO) – Det. Box reconstructs Naz’s whereabouts on the night of the murder.
Roadies (10 p.m., Showtime) – An idiosyncratic rock photographer arrives to shoot the band, causing chaos.
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BrainDead (10 p.m., CBS) – Gustav and Rochelle find a way to communicate with those infected by the brain-eating bugs.
The Jim Gaffigan Show (10 p.m., TV Land) – Jim’s brother visits and makes a life-altering decision.
The Tunnel (10:30 p.m., UNC-TV) – French police capture, then lose, the prime suspect before Elise disappears.