Recent disappearances around camp raise Ethel’s suspicion of Elsa. Gloria makes a last ditch effort to contain Dandy’s bloodlust.

A crossover event that began on "The Flash" concludes with Oliver teaming with the Flash to stop a boomerang-wielding killer who plants five bombs in the city that are set to explode at the same time.

Dre wants the family to feel more connected so he encourages “Team Johnson” to embrace what it means to have each other’s backs. But Dre creates trouble for himself when he falls short of Bow’s expectations. Meanwhile, Bow and Dre invoke “Team Johnson” and put the less-than-enthusiastic Zoey and Andre Jr. in charge of babysitting the twins.

Wendell attends a support group for sex addicts, a teacher has trouble calming down a class clown, and two jazz musicians have a scat battle.

It's cut day for Ryan and Jay. With the weigh-in only hours away, the two struggle through the agony of cutting weight while Lisa tries to reach Alvey. Nate, determined to get back into the ring quickly, asks Mac for help.

When Alex tells Phil and Claire she has a boyfriend, they worry they’ve put too much pressure on her and has made up an imaginary boyfriend. Jay and Gloria both have parties that they are dragging the other to and Jay has a clever plan to get himself out of it, but Manny just might spoil everything. Mitch and Cam just got a beautiful white couch delivered but when Mitch is stuck helping out Brenda, a distressed co-worker, and allows her to stay – it is a mishap waiting to happen.

Rayna continues to pull out all stops in self-promotion, this time by agreeing to do a televised Christmas special from her home for charity, with Luke and the children. But when she invites Deacon to join in, things get awkward fast. Her magazine cover story has reverberations for her personal life. Meantime, it’s Nashville’s Winterfest and Zoey, Gunnar and Avery have an opportunity to perform. With Scarlett’s coaching, Terry sings for the crowd and blows them away, but cannot handle the limelight. Will and Layla go to Winterfest and each find solace, but separately.

Emma goes home and learns a secret that throws her into a tailspin, as Jordi debates breaking the law to get what he wants. Meanwhile, betrayal abounds as Leo and Kara hit the road and leave Ocean Park Hospital. Then, Hunter receives the news he has been waiting for and approaches a life-altering medical procedure with Dash by his side. Also, love is in the air as Nurse Jackson and Dr. Naday try to get Charlie to respond.

Alex and Charlie perform a double surgery on a teenage girl; Joel works at the clinic; Maggie must pull through when she is reunited with the Zarb family.

Kyle can’t figure out why Ike and his friends want to watch people comment on things going on around them rather than experience it for themselves. Meanwhile, the Marsh family needs money after Stan spent it all on freemium games so, Randy is forced to perform live to bring in some cash.

After a series of harrowing attacks befall two seemingly random victims, the TAU desperately searches for a connection between them before the elusive stalker strikes again.

Tensions run high between Clarke and Finn, while Raven discovers that Mount Weather is interfering with their communication systems. Meanwhile, Jasper and Monty discover the truth about what’s going on at Mount Weather and Octavia comes face-to-face with her worst nightmare. Finally, President Dante Wallace is about to be betrayed by those closest to him.

Congress bans Social Security benefits for Nazis, Pizza Hut introduces a mind-reading menu, Amy Sedaris pays a surprise visit, and Christopher Nolan talks "Interstellar."

Episode info coming soon ..

Mike accompanies Sue on a college tour weekend, and Frankie abandons Brick with a school project and a revolving door of babysitters while she goes to see Axl play in his first college football game.

The fan-favorite "Restaurant Wars" challenge unfolds. Here, the culinarians must open their own pop-up eateries. In the all-encompassing test, they must create menus and restaurant decor and train the staff. Appearing: Barbara Lynch; Kristen Kish; and Stephanie Cmar.