For those in the Washington area looking to catch two new episodes of “Happy Endings,” which ABC moved to Friday nights after a hiatus — you’ll have to wait a little longer. In its place, local station WJLA airs “Here Come the Nationals” (at 8 p.m.), a special about the upcoming baseball season. (WJLA will air the “Happy Ending” episodes Sunday at 3 and 3:30 p.m.).

It’s only spring, but the judges on “Fashion Star” (NBC at 8) challenge the contestants to create impressive outfits that would be perfect for summer weather.

Alex ignores orders and refuses to kill a president on “Nikita” (CW at 8), and later, Birkhoff discovers a startling secret about the Division.

A teen from Pittsburgh impresses the investors on “Shark Tank” (ABC at 9) as she pitches a promising idea for a natural skin-care line. Meanwhile, a duo from Los Angeles offers a solution to keep objects from falling through the area in a car between the front seat and center console (which Mark Cuban dubs “the carmuter triangle,” of course).

“American Masters — Philip Roth: Unmasked” (WETA at 9, MPT at 9:30) profiles the literary figure, interviewing him at his apartment in New York City and his farmhouse in Connecticut to learn about the inspiration for his characters.

There’s a “24” reunion on “Touch” (Fox at 9), as Annie Wersching — who played FBI agent Renee Walker on the show with Kiefer Sutherland — guest-stars as the estranged daughter of Philip Green, who could be helpful to Martin (Sutherland) but happens to be on death row. If Martin can reunite Green with his daughter, however, Green may give him all the answers he needs.

A Wesen killer is on the loose, so Nick and Hank try to take him down online on “Grimm” (NBC at 9), while Juliette’s hallucinations suddenly start to make a lot of sense.

The employees at Lori’s Bridal have their work cut out for them on “Say Yes to the Dress: Atlanta” (TLC at 9) when one bride-to-be wants her love of camouflage to be incorporated into her wedding gown.

A college in Florida taps the guys on “Tanked” (Animal Planet at 9) to create a fish tank full of lionfish, given that a lion serves as the school mascot.

Alyssa Milano visits Joan Rivers and the gang to dispense clothing advice on “Fashion Police” (E! at 10). Skater Johnny Weir and hockey player Sean Avery are also in attendance.

Emily Yahr