When Barry and Team Flash find a way to enter The Thinker's lair, Ralph considers crossing a dangerous line to defeat DeVoe. Meanwhile, Joe is concerned by Harry's recent behavior.

Someone is out to get Simon and Jace is on the hunt to find out who it is, meanwhile Clary turns to Luke to find a way to help Jace. Alec worries about the future of his relationship after learning more about Magnu's romantic past.

When Riggs and Murtaugh attend Leo Getz's surprise wedding, they end up investigating a missing person. Then, Riggs comes face to face with someone from his past and Murtaugh receives news that might change his life forever.

David unexpectedly shows up for Harris' birthday after being absent for years, forcing Darlene to re-examine their relationship and the rest of the family. Meanwhile, Roseanne and Jackie's mother, Bev, temporarily moves into the Conner home after an incident at the nursing home prevents her from returning.

NCIS searches for a petty officer suspected of assault who escapes when the sheriff transporting him crashes into a lake. Also, Torres works closely with Annie Barth, a key blind witness who heard vital evidence needed to solve the case.

On the second night of the Playoffs, the remaining artists from 2 of the teams will perform live to try and secure a Top-12 spot.

Alex thinks he fired the baby sitter, but the situation gets complicated when she shows up for work.

Dre and Bow have been fighting more than usual, and they decide to go back to their therapist who suggests they make time for a date night. Meanwhile, after Devante's first birthday party, the bouncy house gets left behind, and Jack and Diane take advantage of it in different ways.

A friend from Bull's past enlists his services to help convince a jury that a domestic abuse survivor who shot her husband in his sleep is not guilty of murder because she feared for her life and the life of her unborn child.

The heat is doubled as four master smiths compete alongside their apprentices to forge an iconic weapon of warfare-the trench knife. Each team must work together, tagging in and out every half hour, with only one smith allowed to touch the knife at a time. Blood is spilled and tears are shed. Refusing to retreat, two teams square off in one final battle to recreate a blade that's stood the test of time-the Chinese Dao Sword. Which team will emerge from the trenches triumphant and claim victory as the next Forged in Fire Champions?

The aftermath of the showdown with Black Lightning leaves everyone reeling. Meanwhile, Tobias gathers his forces.

When Bryan comes to Los Angeles to see Ronnie, she hosts a dinner party at Bernard's to try and impress him. Dave invites Patricia and is excited for his first official date night with her, while Colin awkwardly brings his Uber driver as his date. Artem shares his new artistic venture with Nichole.

As Lou's vision for "Spring Awakening" starts to crumble, Lilette and Robbie feel the weight of responsibility on their shoulders with rehearsals going into overdrive. In reaching out to a student in need of support, Tracey opens up old wounds from her own past. Gwen starts down a destructive path that threatens to disrupt Gordy's attempts at self-control, while Simon takes steps to get closer to Anabelle.

Bering Sea draws first blood in a daring Coast Guard rescue. Jake strives to become an independent Captain, and Keith offers to take him on as an apprentice, but accusations fly and suspicions grow as the captains plunge head first into a brutal start.

Lena goes out on another date with Wes, whom she's smitten with; but unbeknownst to her, Martin is doing his best to take care of a sick Milo. Meanwhile, Maya makes a decision on whether or not to become a single mother.

Over a drunken power lunch, Jess and Cece decide to stand up to Russell and demand Jess be given more responsibility in her new job. Meanwhile, Nick struggles to come up with ideas for a new book and Schmidt is desperate to get Ruth to sleep.

Pride and his bar patrons, including Sydney Halliday who is visiting Pride after leaving the Army, are held hostage by a group of volatile thieves.

With a spot in the final three on the line, the Artists push themselves to the limit in a grueling tattoo Challenge.

After taking the lead on a surgery, Dr. Bekker feels the heat after something goes wrong. Dr. Manning and Dr. Charles are faced with a tough decision concerning the gender of a 9-year-old girl. April and Dr. Reese rush to find the son of a dying patient. Goodwin's godson is admitted to the hospital.

Izzy grows ever more suspicious of Emma's return to Portland and Jack's increasingly odd behavior. Just as they're edging their way into a surprising new relationship, Nina lashes out at Shaun. Emma makes the biggest decision of her life.

Adam sheds some light on Copernicus, who was actually supported (NOT persecuted) by the Catholic Church. Plus, a rogue dwarf revolutionized what we know about anatomy, and just wait until you hear about Tulip Mania!

David navigates the maze.

Allison defends a man accused of stealing supplies intended for victims of a devastating island hurricane and goes up against Celia Chavez, a tough Assistant U.S. Attorney for whom losing is not an option. Sandra defends a peculiar client accused of assault, but with an altered view of reality and on the other side, Kate is being sought after by an ATF agent in need of legal advice for an unlikely suspect.

After a fatal gang bus shooting, Gwen must defend a 14 year old, while also reconnecting with her former law professor and secret crush, Bennett. Gwen grills Tracy for details on her mystery lover.

Daniel celebrates a nude optical illusion, helps viewers learns proper pronunciation and gives a weepy teen a new look after she has a meltdown over a traffic ticket.

Jefferies' comment on Fox News story about Melania Trump comforting a child who spilled a glass of water at the White House.

Tray and Cousin Bobby intercept the kids at school and take them on a trip down memory lane. Shay tries to track down the kids, and her husband Josh reminds Shay that it's her lie that disrupted the family dynamic.

Coming Soon...

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Stephen welcomes james Comey, former FBI director, plus a musical performance by Jason Aldean.

Bosch struggles to manage all the things he's lost and to keep the darkness at bay, from himself, and from Maddie. The Task Force bears down on two suspects. Acting Captain Grace Billets gets tangled in station politics and petty opposition, no longer everyone's best friend.

The survivors work together to build a massive light tower to send a signal to the Resolute, but the Robot is noticeably absent from the group. Dr. Smith's plan takes shape as she feels her time on the lost planet is running out. Maureen makes a daring discovery.

Coming Soon...