“America’s Next Top Model” (8 p.m., The CW): Clay Aiken alert! The sweet-faced

“America’s Next Top Model” (8 p.m., The CW): Clay Aiken alert! The sweet-faced crooner drops in on “America’s Next Top Model” to serve as a guest judge. Yeah, it’s a weird move, but this show is full of weird moves, so he should fit right in.

“Dinner: Impossible” (10 p.m., Food Network): Host Robert Irvine has seven hours to cook for 200 hungry X-Games athletes.

“The Unusuals” (10 p.m., ABC): “The Unusuals” isn’t your usual cop show. It stars Amber Tamlyn (“Joan of Arcadia”), as a rookie homicide detective working among a team of cops harboring plenty of secrets. Her first assignment? Probe the death of one of the department’s own.