Who will be “America’s Next Top Model”? Mitchell and Cameron get a little too relaxed on their Hawaiian vacation on “Modern Family.”

8:00 p.m. “America’s Next Top Model,” The CW (2 hrs) SEASON FINALE

The final four become the final two, where the models in training shoot a commercial and walk the runway for an Anna Sui fashion show! Who will have what it takes to be on top?

8:00 p.m. “Mercy,” NBC (1 hr) SEASON FINALE

Veronica saves two children in danger, and a clairvoyant patient predicts the future for Sonia. Also, Briggs tries to pay off his debt, and Sands considers a job in Afghanistan. Features gay nurse, Angel.

8:00 p.m. “The New Adventures of Old Christine,” CBS (30 min) SEASON FINALE

Surprise! Christine goes to a surprise party to meet Max’s friends, but she leaves feeling less intelligent than them. Features GLAAD Media Award honoree Wanda Sykes.

9:00 p.m. “American Idol,” Fox (1 hr) NEW

One of the final four is sent packing tonight! Will out judge Ellen DeGeneres agree with the viewers’ decision?

9:00 p.m. “Modern Family,” ABC (30 min) NEW

Mitchell and Cameron get so relaxed that they forget something crucial, while Jay’s pipe dream of a relaxing vacation is thwarted (obviously), and Phil tries to make Claire’s vacation memorable.

10:00 p.m. “Law & Order: SVU,” NBC (1 hr) NEW

ADA Marlowe (Sharon Stone) is suspicious of a rookie officer who helps nab a serial rapist. Features gay psychiatrist, Dr. Hwang.

11:00 p.m. “Tacky House,” Style (1 hr) NEW

A garage turned poker room is the focus of tonight’s episode. Will former “Queer Eye” designer Thom Filicia be able to turn the space from man cave to a more sensible use of space?