Wednesday's TV Highlights: 'Legends' on TNT

So You Think You Can Dance Six finalists team up with all-star partners to perform. Christina Applegate returns to the judges panel and Rixton performs in this new episode. 8 p.m. Fox

The Goldbergs Erica (Hayley Orrantia) has a difficult time coming to terms with the end of her romance and Murray (Jeff Garlin) does what he can to soothe her broken heart. Troy Gentile, Sean Giambrone, Wendi McLendon-Covey and George Segal also star in this new episode. 8:30 p.m. ABC

Extant In the first of two new episodes airing back-to-back, Molly (Halle Berry) is certain her baby is in the custody of the agency and John (Goran Visnjic) is stunned by technological developments impacting Ethan (Pierce Gagnon). Brad Beyer, Maury Sterling, JoBeth Williams and Tessa Ferrer guest star. 9 and 10 p.m. CBS

Million Dollar Listing: Los Angeles The real estate series returns for a new season. 9 p.m. Bravo

Who Do You Think You Are? Kelsey Grammer explores his grandmother's family, a woman haunted by demons who risked everything. 9 p.m. TLC

Legends Martin, Crystal and Troy Buchanan (Sean Bean, Ali Larter, Rob Mayes) go undercover when a high school chemistry teacher who used to be a chemical weapons engineer for the Russian army is kidnapped along with his family. Tina Majorino also stars in this new episode. 9 p.m. TNT

Suits In the season finale Harvey and Jessica (Gabriel Macht, Gina Torres) take measures to protect the firm while Louis (Rick Hoffman) tries to get his affairs in order. Patrick J. Adams also stars. 9 p.m. USA

Taxi Brooklyn In this new episode, when a maid from El Salvador (Arielle Jacobs) is targeted on the streets of Brooklyn? Cat, Leo and Frankie (Chyler Leigh, Jacky Ido, Ally Walker) discover she was a cop before coming to the U.S. 10 p.m. NBC

Motive A crime novelist (Enuka Okuma, "Rookie Blue") fatally poisoned during a writers' conference, and her killer is a professor (Ben Cotton) who derides anyone who likes her work, but several suspects emerge in her death, including her husband (Lochlyn Munro). 10 p.m. ABC

Wahlburgers Johnny and Henry tag along when Mark travels to Hong Kong in this new episode. 10 p.m. A&E

Preachers of L.A. The unscripted series returns. 10 p.m. Oxygen

Franklin & Bash In this new episode the firm's newest attorney (Toni Trucks) takes point on what should be a by-the-numbers divorce case, not realizing that one of the parties is a plastic surgeon (Willie Garson) who has been paying a hefty fee to sublet space at the firm offices. 10 p.m. TNT

Today Al Roker's 60th birthday; Joy Bauer; Matt Walsh. (N) 7 a.m. KNBC

Good Morning America Pierce Brosnan; G.R.L. (N) 7 a.m. KABC

Good Day L.A. Juan Pablo Di Pace ("Dallas"); Patrick J. Adams ("Suits"); John C. McGinley. (N) 7 a.m. KTTV

Live With Kelly and Michael Hugh Jackman; Shailene Woodley; Science Bob. (N) 9 a.m. KABC

The View Poppy Montgomery. 10 a.m. KABC

The Talk Tyler Perry. 1 p.m. KCBS

Conan Pierce Brosnan; Jaime King; Hampton Yount. (N) 11 p.m. TBS

The Tonight Show Jared Leto; Amy Brenneman; Thirty Seconds to Mars performs; Tom Bailey. (N) 11:34 p.m. KNBC

Late Show With David Letterman Kathy Griffin; Ken Burns; Jeremy Messersmith performs. (N) 11:35 p.m. KCBS

Tavis Smiley George Takei and Mira Sorvino. (N) midnight KOCE