Erica, Barry and Adam are not happy when their distant relative Gleb visits from Russia, until they realize he can make their lives so much easier. Meanwhile, Beverly starts working on her cookbook, which causes tension with the Frentas.

Natalie and Will grow further apart. Daniel struggles to come to terms with his feelings toward his ex-wife. The personal issues between Connor and Ava continue to cause problems at the hospital.

As Veronica attempts to steer Hiram away from the drug business, Gladys' return to Riverdale throws a wrench into her plan. Betty grows concerned when Alice decides to take her commitment with The Farm to the next level. Elsewhere, Archie's rush to get into the boxing ring lands him in hot water, while Cheryl's attempt to send the Serpents a message causes tension between her and Toni.

Zoey takes a work hard, play harder approach when her midterm falls the morning after the semester's biggest rager and is forced to deal with the consequences. Meanwhile, both Ana and Nomi find themselves facing big decisions in their new romances.

As Luna's trial starts, Joanna and Billy defend against an avalanche of evidence. With things not looking good, Joanna risks everything by putting an unexpected witness on the stand.

The three remaining finalists compete for the golden mask, and their identities are revealed; guest panelist Kenan Thompson.

The first castaway is stranded all alone on "Edge of Extinction". Also, first-time players band together in an attempt to get a returnee out of the game.

Carmen approaches Steve and Agent Andrews with an offer to turn over Ricardo. Ramos's family goes into hiding, leaving Pete scrambling for answers. Cole lashes out in the wake of recent deaths, while Christine turns to fellow Ravens for help in getting Dani back from the state.

After two students show up to school dressed in backward clothes, a la Kris Kross, Lainey tries to get kids to conform to social norms to protect them from ridicule while CB encourages them to embrace their uniqueness. Meanwhile, Principal Glascott struggles to say no to his teachers and disappointing his friends, so he enlists the help of Mellor to lay down the law.

Quentin and Julia play Pictionary while Margo drinks some weird milk.

For the 100th episode, four bladesmiths are tasked with forging a chopper and must choose from a mammoth pile of metals and materials from all previous 99 episodes; the two finalists head home to re-create the O-Katana.

With playoffs and mid-terms looming, Spencer makes a few shocking discoveries about his father. Coop desperately wants to bring down her enemies, while Jordan makes a connection with his grandfather.

The three remaining finalists compete for the golden mask, and their identities are revealed; guest panelist Kenan Thompson.

Three cheese pros return to Flavortown to test their talents against some of GGG's cheesiest chefs. Guy Fieri puts the competitors through two rounds of deliciously cheesy combat, and the chef left standing will face off against Flavortown's Cheese Champ, Chef Eric Greenspan, for a shot at $20,000.

Lily has reached a womanly milestone that Cam and Mitch are not prepared for - at all - so they call in reinforcements.

Asia Kate Dillon joins the panel to judge gender-neutral streetwear.

During an emergency call, an unsuspecting Captain Casey suddenly finds his life in peril. Grissom warns the firehouse that they will need to gear up for a performance evaluation. Otis discovers he won a raffle prize at a recent fundraiser and Brett is met with challenges in her personal life.

Fast cars collide with backwoods tradition as Moonshiner Josh Owens puts pedal to the metal on the Carolina Dragway. Gasser rules mean vintage cars and parts only, but in skilled hands heritage pays off in horsepower. These gearheads race for glory.

Seeing that baby Jack is about to walk for the first time, Miggy feels old and tries to recapture his youth by throwing an epic party. When the party doesn't go as expected, he insists that Poppy and Douglas stick around to help him. Angie's boyfriend, Owen, meets Graham for the first time, which doesn't go as well as they had hoped. When Will gets an opportunity to do the weather at 10:00 p.m., Rory tags along and causes drama on the set.

Voight and the Intelligence Unit focus all their effort and resources into investigating the disappearance of an exotic dancer who served as a long-time criminal informant for their team and uncovers the details surrounding a prolific serial killer.

A fly-on-the-wall look at the marathon cast album recording of the ill-fated 1970 Broadway musical comedy centered around a cast of characters who work, live, or want to live in the same co-op.

Andrea tries to get her friend Jennifer to open up about her divorce, and Andrea and Mike explore new territory in their relationship.

Marcus confesses the truth about Chester to Saya which leads them on a citywide manhunt.

Following an emotional break-up, FBI agent Will Chase (codename: Whiskey Cavalier) is assigned to work with CIA operative Francesca 'Frankie' Trowbridge (codename: Fiery Tribune). Together, they lead an inter-agency team of spies who periodically save the world-and each other-while navigating the rocky roads of friendship, romance and office politics.

When Hardman comes looking for retribution, the firm rallies to Harvey's defense.

Paul, Vernon, and Becca air their dirty laundry on a weekend getaway.

Michael Cohen goes before Congress to call Donald Trump racist and corrupt, Lewis Black criticizes anti-vaxxers, and Angie Thomas discusses her book "On the Come Up".

Comic Cedric the Entertainer.

Actress Jessica Chastain; actor Patton Oswalt; journalist Katy Tur; Gary Clark Jr. performs.

New allegiances form, old ones collapse and blood is spilled as drug-turf tensions send Ostia down the path of war.

Jack hunts the cartel bagman Estuardo, but what he finds is worse then he could have ever imagined.

A horse-trekking expedition is cut short when Jack discovers the dead body of a rider in the most unexpected of places: the police station itself.