‘Last Man Standing’ (Craig Sjodin/ABC)

FINALE WATCH: The second season of “Last Man Standing” (ABC at 8 p.m.) goes out with a big reunion, as Jonathan Taylor Thomas temporarily shares the screen again with former “Home Improvement” co-star Tim Allen, who played his dad on the ’90s sitcom. JTT, as he was known in his teen heartthrob days, guest-stars as an upscale restaurant owner who woos Kristin, Mike’s (Allen) daughter.

The designers on “Fashion Star” (NBC at 8) are challenged to make outfits that will look good on people of all sizes. Later, one contestant is a standout, while another is about to crack under the pressure to sell the designs.

In case it’s a Friday on which you just need some Justin Timberlake in your life, “The IHeartRadio Album Release Party With Justin Timberlake” (CW at 8) features an interview with Timberlake about his new album, along with footage from a concert in Los Angeles.

FINALE WATCH: Reba’s family decides she needs to start dating again, so they set her up with an online blind date without her knowledge on the Season 1 finale of “Malibu Country” (ABC at 8:30), but of course, it takes an unexpected turn.

RETURNING SHOW: Brothers-in-law Wayde King and Brett Raymer return with new episodes of “Tanked” (Animal Planet at 9), as they create and design themed aquariums. A TV producer requests a saltwater aquarium for a man cave, and a smoothie shop wants a tank in the shape of a giant cup with a straw.

Jake’s brain is a powerful object on “Touch” (Fox at 9), because not only does a scan of it help Calvin in his goal to communicate with his brother, but it could also help find Amelia.

Nick and Hank try to figure out why a woman’s sudden blindness caused her to die immediately on “Grimm” (NBC at 9), and in the process, they discover a creature that feeds off people’s tears.

A woman tries to find a gown her grandmother will love on “Say Yes to the Dress: Atlanta” (TLC at 9, 9:30), while another bride and bridesmaid have a fight over whether it’s appropriate to wear a lace wedding dress.

Actor Don Cheadle is on “The Tonight Show With Jay Leno” (NBC at 11:35), along with singer Wynonna Judd.

“Late Late Show With Craig Ferguson” (CBS at 11:35) hosts actor Bradley Cooper and chef Wolfgang Puck.

— Emily Yahr