This weekend on TV

Saturday on TV

Golf (noon, Ch. 5): Third round of the U.S. Open

MLS (6:30 p.m., digital Ch. 2.2): Real Salt Lake at Houston Dynamo

Kings (7 p.m., Ch. 5): A blackout puts the royal family in danger.

Harper's Island (8 p.m., Ch. 2): An explosion rocks the marina as the guests are trying to escape the island.

Eli Stone (9 p.m., Ch. 4): ABC finally airs the first of the final four episodes of this great-but-canceled show. And we're given to understand that the series finale — scheduled to air July 11 — will give fans a sense of closure. Tonight, feelings between Eli and Maggie resurface.

Sunday on TV

Golf (11:30 a.m., Ch. 5): Final round of the U.S. Open

Just for Laughs (6 p.m., Ch. 4): A new episode of this hidden-camera comedy show.

Merlin (7 and 8 p.m., Ch. 5): The first two hours of this entertaining British series about young Merlin and young Prince Arthur.

Masterpiece Mystery! (8 p.m., Ch. 7): In "Poirot: Cat Among the Pigeons," a teacher at a small girls' school is murdered.

Army Wives (8 and 10 p.m., Lifetime): An outside therapist confronts Roland about the kind of care soldiers receive on post.

True Blood (10 p.m., HBO): Jessica, the teenage vampire, causes trouble; Maryann stirs things up at Merlotte's.

Law & Order: Criminal Intent (10 p.m., USA): Three murders are tied to a religious fanatic.

In Plain Sight (11 p.m., USA): Mary tries to help Brandi when she's arrested for drug trafficking and murder.