The tribes merge; somebody returns from Exile Island; and Utahn Tyson Apostol continues to work his way closer to the million dollars - he hopes - on this week's episode of Survivor: Blood vs. Water (7 p.m., CBS/Ch. 2).
Elsewhere on TV ...
NBA (5:30 p.m., ROOT): Utah Jazz at Boston Celtics
The 47th Annual CMA Awards (7 p.m., ABC/Ch. 4): Brad Paisley and Carrie Underwood host.
Revolution (7 p.m., NBC/Ch. 5): Charlie and her mother share a moment.
The X Factor (7 p.m., Fox/Ch. 13): The 12 remaining contestants perform.
Arrow (7 p.m., CW/Ch. 30): Oliver and the Canary are attacked by a trained killer.<