What to watch on Sunday, March 6...
The Belchers vote on whether to upgrade the family furniture in “Sacred Couch.” Unhappy with the outcome, Louise decides the democratic approach is for chumps and takes matters into her own hands.
Once Upon a Time
The gang arrives in the Underworld in “Souls of the Departed,” the series' 100th episode, but their quest to rescue Hook proves fraught with more peril than they expected of a plan where step one is “descend into the Underworld.” In an Enchanted Forest flashback, Regina receives a birthday present from an old acquaintance.
Saving the life of a raccoon inspires Lisa to devote her life to animal medicine in “Lisa the Veterinarian.” But she sees the more painful side of the job when when the neglected class hamster goes to that big running-wheel in the sky. In other vocations, Marge picks up a little cash and a lot of emotional scars when she moonlights as a crime scene cleaner.
“Hijriyyah” gives Elizabeth a chance to question a Libyan refugee who claims to know the whereabouts of the world’s most wanted terrorist. Gosh, next to that, Stevie introducing her boyfriend to her parents seems downright low-pressure by comparison.
8pm Eastern, BYUtv
Four married couples criss-cross the country and complete a variety of challenges, all in pursuit of previously unknown family members (and the $25,000 grand prize can’t hurt either) in this new reality competition series.
SERIES FINALE, 9pm, PBS
The period drama takes its final bow with Edith receiving an offer of marriage, Thomas receiving an offer of employment, Carson receiving a health scare, and the Dowager Countess receiving dirt on Spratt. Elsewhere, Tom and Henry go into business while Anna goes into labor.
TIMESLOT PREMIERE, 9pm, ABC
Adam and Hank each readjust to life among the free in “All You See is Dark,” but an encounter between the two dredges up decade-old demons for Hank. Meanwhile, Danny unintentionally tips off a reporter about his suspicions, and Nina leads a squad into the woods to investigate the site of Adam’s captivity.
The Walking Dead
“Not Tomorrow Yet” finds Rick and the gang trying to keep the peace in Alexandria, because that’s something these people are absolutely qualified to do. Oh, wait, it involves battling a new enemy? That actually is in their wheelhouse. Sarcasm withdrawn.
The Good Wife
Assistant U.S. Attorney Connor Fox assembles the grand jury against Peter in “Hearing,” although every time he tries to do that by saying “Grand Jurors: Assemble!” everybody just glares at him. As Mike Tascioni tries to suss out what the charges in question are, Alicia and Jason find their quiet weekend plans foiled by a flock of Florricks.
Now that she’s living with Sean, Fiona is determined to get his son Will to like her in “Be a Good Boy. Come for Grandma.” But just as she begins to make some headway, the lad gets ahold of one of Carl’s guns, infuriating Sean and potentially costing him parental custody.
Richie schmoozes funk superstar Hannibal in “The Racket,” but he’s far less amiable towards Devon in their counseling session. Meanwhile, Zack and Scott reconsider their futures now that the Polygram deal has fallen through, the Nasty Bits seek a new manager, and Skip struggles to move some bootlegs.
In “A Lot Going On Upstairs,” Stewie’s sleep troubles spur Peter to convert the attic into a play space for himself and the fellas, must to Lois’s consternation. As for the youngest Griffin, he builds a device to help him enter and conquer his nightmares directly. Glenn Close guest stars.
SPRING PREMIERE, 9:30pm, Fox
The Last Man on Earth
After plopping back down on Earth, Mike is convinced that he’s the Last Man on Earth (hey, that’s the name of the show!) in “Pitch Black.”
“Alex” finds our protagonist testifying on the Hill about the terrorist bombings, and this problem is certain to be solved quickly and efficiently now that Congress has gotten involved. At Quantico, Alex and her classmates greet a new batch of NATS.
Axe feels taxed in “The Punch,” while Chuck takes a tack to make good use of the past.
A vigilante is offing the most obnoxiously offensive social media users in “5 Deadly Sins,” and the Cyber team is contractually required to put a stop to that. Jamie-Lynn Sigler guest stars as a content moderator… or could she actually be the vigilante, going by the not-so-intimidating moniker of the Content Moderator?
Everything’s coming up Shoshanna in “Japan,” what with her successful job and flirty boss. Back in the States, Hannah is taken aback by something she finds on Fran’s phone, and Jessa shares feedback on Adam’s TV crime drama performance.
While Brett and Alex head out of town to revisit their roots in “Advanced Pretend,” Tina helps Michelle look after the kids and keep Christy at bay.
12am, Cartoon Network
The Venture Bros.
The latest supervillains to take an arching crack at Dr. Venture are an avant-garde artsy bunch in “It Happening One Night.” Elsewhere, Hank hopes to get lucky in love, if only those darn ninjas would stop interfering.