Critic’s corner: What’s on TV this weekend

Bob D’Amico/ABC

Rising Star Sunday 9 p.m., ABC

Rapper-actor Ludacris, pop singer Kesha, country musician Brad Paisley, and classical crossover star and Twitter cutup Josh Groban preside over this latest entry into the overcrowded field of singing competitions. The twist to this format, imported from Israel: instant gratification. Viewers vote in real time with an app, swiping right for advancement, left to give ’em the hook. (To further entice viewers to participate, it’s possible for a voter’s face to appear on the wall in front of the singer.) If the singer gets enough votes, the wall rises, revealing a studio audience and the show’s “experts.” (There are no judges here, we’re told by the promos, except the audience.)

Almost Royal Saturday 10 p.m., BBC America


In the network’s first original “comedy-reality series,” two young English aristocrats, Georgie (Ed Gamble) and Poppy Carlton (Amy Hoggart) — heirs to Caunty Manor, a large country estate in Norfolk, who have never worked a day in their lives — take their first trip to the United States with a camera crew in tow.

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Enlisted Sunday, 7 p.m., Fox


Wipeout Sunday, 7 p.m., ABC

Funny how falling feels like flying.


The Musketeers Sunday, 9 p.m., BBC America

The Fab Four, 17th century-style.