On Valentine's Day, the mood is anything but romantic as Jessica competes with Louis to see who can give Evan the best advice on how to celebrate with new girlfriend, Sicily. Eddie asks Honey for help to find out who his secret admirer is after he's passed a love note on a Cattleman's delivery run.

Jane and Weller's romantic getaway is cut short when the team must stop Madeline Burke's plans to blow up a building and crash a plane that turns out to be more than the average commercial airliner.

After a surprising introduction to Phoenix's newest recruit, Desi, MacGyver and team are assigned to escort and protect an ATF (alcohol, tobacco, firearms) gun-sniffing dog who has a bounty on his head, only to discover they're not the only ones crashing the weapon drop

In the final challenge of the season, the remaining girls write superhero-inspired lyrics and perform original choreography for RuPaul's "Super Queen".

Chuck and Carol decide to renew their vows, and Mike plans to take his officiating to a new level.

JJ's love-match with Izzy becomes a cage match with Kenneth. Maya and Jimmy dismiss Valentine's Day as a holiday for suckers until they find a way to profit from it. Unable to find a date to a prepaid romantic night out, Ray brings Dylan.

With Chuck away on his honeymoon, Ed takes over Outdoor Man security duties with a new approach. Meanwhile, Mandy and Kyle combine their finances and things go less than smoothly.

While Red and Dembe enlist Glen's help in stacking the jury to Red's advantage for his upcoming trial, the Task Force investigates a series of mysterious deaths resulting from weaponized insects.

There is no one who understands the power of setting an innocent person free more than Madeline. At age 18, she was wrongfully convicted, along with her brother, Levi, in a sensational murder case that made her an infamous media obsession, a household name and a national cause célèbre.

As a dangerous hurricane hits Oahu, Five-0 is tasked with protecting El Diablo, a captured serial killer who is being hunted by an assassin. Also, Tani's civilian safety check during the storm turns deadly and Rachel and Charlie evacuate to Danny's house, where the ex-spouses reminisce.

Parker is determined not to leave any good pay dirt for Tony, so he cranks up the speed on his sluices. The frosty ground is causing problems for Rick's crew.

Guests: Mayor Rahm Emanuel, John Legend, Paul Begala, David Frum & Maya Wiley.

While off duty, Danny encounters a gas station robbery in progress and is forced to use his weapon, leaving him shaken and his family and co-workers concerned. Also, Eddie apprehends a turnstile jumper who pleads for leniency by offering information on a missing weapon that's vital to one of Erin's cases, and Frank learns that a top officer in his department has a dark past.

Jimmy welcomes Kim Kardashian West, Terri, Bindi and Robert Irwin and Christina Tosi.

Stephen welcomes actor Jeff Goldblum, chef Jacques Torres, with musical guest The Marcus King Band.

Jeremy, Richard and James head to Chongqing, China to see if a Mercedes S 600, an old BMW 750iL and a Cadillac STS have the chops to cut it in the Chinese city. Fire drones have also been hinted at and-of course-James' outstanding fashion choices.

Penelope feels hurt after seeing an item on her mom's "bouquet list" that's about her. Dr. B finds the key to teaching a struggling Elena how to drive.

It's a viewing party to watch the newly released VHS movie, Wild Things. The night gets sexy and Anna and Maya try to keep up.

The reluctant heroes of the Doom Patrol - Robotman, Negative Man, Elasti-Woman and Crazy Jane face the threat of Mr. Nobody, who's after The Chief.

Years after they rose to fame as young crime-fighting superheroes, the estranged Hargreeves siblings come together to mark their father's death.

After a fierce showdown with Rayla, Soren and Claudia argue about the best way to deal with the princes. Rayla worries she's kept a secret too long.

When Elena invites Mateo to move into his own Royal Wizard quarters within the palace, his mother assumes she is invited to move in too.

A recruit's talent for tinkering raises concerns. Chase receives an overdue upgrade. The Vanguard goes on the offensive and engages a frighteningly familiar foe.

Emma Willis hosts the final week of the blind auditions, with another batch of performers singing unseen for celebrity coaches will.i.am, Jennifer Hudson, Tom Jones and Olly Murs, and hoping to make a good enough impression with their voice alone to inspire a chair turn. Next week, the contestants who make the grade will move on to the Battle Stage, as the coaches whittle their team downs by half.

Iain reaches out to someone from his past, but he does not get the response he was hoping for. Connie cannot remember the attacker, and is terrified that they could still be out there. Meanwhile, Marty and Jade learn to work together and decide to call a truce, and Louise takes a stand and hands her resignation to Charlie.

Kelly and Tonya head to Carbon County, Wyoming to look into the mysterious deaths of two women, Thora and Debra. Although they died 13 years apart, the circumstances of their deaths raised questions as the women shared some curious connections. Working alongside the county coroner's office, Kelly and the team make an eerie discovery with another mysterious death with similarities to Thora's death. With multiple crime scenes and details to dissect, Steve Spingola and Dr. Pinneri join the case to help determine if the three victim's deaths were accidents, suicides or homicides.

A couple, Liquia and Jathryn purchase the Smart House of their dreams. However, their dream becomes a nightmare when the house turns on them, threatening their relationship and possibly their lives. Will they be able to outsmart their own smart home?.