CASTING CALLS.Celebrating National Nurses Week, cable's Discovery Life Channel offers one nurse the chance to win a walk-on role in its docuseries "Untold Stories of the ER." Enter by Wednesday at discoverylife.com/nurses . . . Singles of any age can apply to appear on NBC's upcoming "First Dates," from executive producer Ellen DeGeneres. Details at firstdatescasting.com
NOW STREAMING. From Netflix: Quirky BYUtv.org critical fave "Granite Flats" gets a broader platform for its Cold War small-town shenanigans. Launching Friday, Seasons 1-3 feature Christopher Lloyd, David Naughton and a sprawling young cast . . . From Hulu: "Moone Boy" starts Season 3 this Wednesday with the escapades of an Irish kid and his imaginary adult friend (co-creator Chris O'Dowd, "St. Vincent") . . . Free at ShoutFactoryTV.com: New collections of director John Cassavetes, biker flicks, Django westerns, rock concerts, more.