Zach Shallcross, a 26-year-old castoff from the last season of “The Bachelorette,” is now “The Bachelor” (ABC, 8 p.m.), choosing from 30 women who line up for the 27th season. Among the candidates: four nurses, one nursing student, a rodeo racer, a former Miss South Carolina and ex- Miss Florida World and the niece of country singer Barbara Mandrell — one of five he already met on “The Bachelorette” finale.
The grape-growing comedy from New Zealand, “Under the Vines” (Acorn TV, streaming) returns for a second season.
Five queer comic book artists talk about their medium in the documentary “No Straight Lines,” making its debut on “Independent Lens” (PBS, 10 p.m., check local listings).
“The Playboy Murders” (Investigation Discovery, 10 p.m.), is a new six-part series about the uglier side of the Playboy Mansion, hosted by ex-bunny and frequent reality star Holly Madison.