When a powerful new villain, Psych, channels and amplifies everyone's fears in order to wreak havoc on Central City, Barry realizes, with Cecile's help, that he must face his own worst fear in order to beat this new threat. Meanwhile, Joe is surprised when Kristen Kramer from the Governor's Municipal Logistics Commission drops into CCPD for a visit. Iris warns her father to dig deeper on why Kristen is actually there. Caitlin and Frost argue about how to live their lives.

Trapped in an isolated mansion during a storm, Charlie and Rex uncover a wannabe-killer after the hostess is drugged. Sarah fights to keep her alive.

Hawaii, 1982: Dewey spends a day with Andre the Giant that neither will ever forget. Lia and Rocky prepare for the huge Island Battle Royale, where more than the title is at stake. In 2032, candidate Johnson reveals his running mate.

Kenan has some odd encounters with a squirrel that he believes might be Cori's spirit. Rick and Gary think they've missed Kenan's birthday and try to organize an impromptu surprise party.

Bow and Dre let their competitive streaks out during their family game night and things escalate when they place a bet. Meanwhile, Junior and Olivia are at a turning point in their relationship when one person says "I love you".

As Brainiac lays close to death after trying to stop Lex, Supergirl and team soar in to save him, engaging in an epic battle with Gamemnae. After beating Leviathan, Supergirl turns her attention to Lex who has used the Obsidian platform to brainwash half the world to love him and follow him at all costs, no matter what horrible things he does. Knowing how dangerous this makes her brother, Lena enlists the entire team - Alex, J'onn , Dreamer, Kelly and Brainiac - to help, but Supergirl realizes that the only way to truly stop Lex is to sacrifice herself.

Umma tries to set Janet up with their new mason; Jung and Appa struggle to cope with a simple, kind gesture; Kimchee and Shannon can't get on the same page for employee evaluations.

Evidence of a continuous burn event in the swamp energizes the team, supporting the theory that a ship was burned and buried there centuries ago.

Alicia's mom, Grandma Shireen, stays with the Johnson's after her surgery, but taking care of grandma becomes a full-time job. Meanwhile, Denise tests each of the kids to see who is best fit to take care of her when she gets old one day.

The President and First Lady team up to deal with their son's behavior. Barry and Sharon's relationship continues to crumble. Donald and Lilly's love triangle takes a turn.

Josh, Tickle and the Laws build a still farm the likes of which Virginia hasn't seen since the heyday of Amos Law. Jerry misses a day of work and Mike lets down his guard. Mark and Digger discover a rival moonshiner faces a reckoning with the law.

After a wake-up call from Sloane, Kate adjusts her priorities. Frankie realizes she's responsible for a recent workplace tragedy. Needing a break from Kate, Anne hides out at Val's.

Violet grows concerned about Hollywood; Nova plans a children's march; Ralph Angel, Blue and Darla confront a troubling encounter; Micah wants to get out and be a voice of change.

When Sharpe notices the hospital's blood supply is running dangerously low, Max concocts a plan to get New Amsterdam out of trouble. Reynolds realizes he has a thing or two to learn from Bloom while making peace with his new position. Iggy helps a patient face their inner demons.

The M.C. scrambles to find a solution to their heroin problem, while EZ digs to discover who betrayed the club.

Oh no! The Red Goobler's back and this time he's jacked! This one's too scary for me.

Fymryn and Luna appeal to their goddesses. The Invoker delivers tough truths to Davion and Mirana; later, a bargain is struck.

Bae discovers more about her mother's long-ago connection to Sherlock and Watson, while Billy contemplates revenge after a brutal reminder of his past.

Lily and Jade make their demands known to Adam. Elias and Vivian have to face their moment of truth with Faith. Svengali gets alone time with Johnny in the studio and has a surprise for the rest of the members.

When Rob and Sally buy land for their new home, they are faced with endless challenges. The build must withstand the elements, celebrate the amazing views and blend effortlessly into the surroundings. Is it possible?

Helen meets with a woman who is demanding power of attorney over her mother, and attends her ex-husband William's writers' festival run by literary interlocutor Lindy Baxter-Smythe.

When a large, congealed blob of fat in the Wellington sewers becomes sentient, Minogue and O'Leary go underground to confront the monster.