“Beauty and the Beast” (7 p.m., CW): Will Vincent propose in the third-season premiere?

“Beauty and the Beast” (7 p.m., CW): Will Vincent propose in the third-season premiere?

“NBA Finals: Game 4” (8 p.m., ABC): Once more, with feeling.

“iHeartRadio Ultimate Pool Party” (9 p.m., The CW): Nick Jonas hosts the show from Las Vegas. Performances by Nicki Minaj, Kelly Clarkson, Chris Brown, Echo-smith, Shaggy and David Guetta.

“The Seventies” (9 p.m., CNN): The new eight-part documentary series recalls the people and events that shaped a colorful decade. Part 1 explores the TV we watched via interviews with major producers and actors.