“Royal Pains” (10 p.m., USA): This series isn’t a pain at all. In fact, the

“Royal Pains” (10 p.m., USA): This series isn’t a pain at all. In fact, the whimsical series starring Mark Feuerstein as a doctor in the Hamptons is one of the bright gems of the summer. We prescribe an immediate viewing.

“Southern Belles: Louisville” (10 p.m., SoapNet): The finale promises a “scandalous twist.” We’re so there — with a mint julep in hand.