“Emma” (9 p.m., PBS): Jane Austen continues to be a go-to player for “Masterpiece

“Emma” (9 p.m., PBS): Jane Austen continues to be a go-to player for “Masterpiece Classic,” which offers an amusing new three-part adaptation of “Emma.” This time, Romola Garai (“Atonement”) gets a chance to play the meddling matchmaker.

“Big Love” (9 p.m., HBO): And you thought health care was a tough sell. On “Big Love,” Bill, Nicki and Cara Lynn head to Washington hoping to rustle up some support for their more-the-merrier style of matrimony.