Francine hosts a dinner party even though a serial killer who attacks dinner parties is terrorizing the town; when the lights go out and guests start to disappear, Roger takes charge of solving the mystery of who is stalking the party.

When Ava disappears, Sara and Ray set out to find her after some prodding from Time Bureau agent Gary and a disturbing truth about Ava. Amaya tasks Zari with helping train Rory in controlling his own Totem power. Meanwhile, Nate and Wally set out on a mission that goes awry when they pair with an unlikely person to try and get a Totem.

Gary, Quinn, and Avocato, trace the gravitational disturbance to an eerie super laser sitting atop a bioluminescent planet. Quinn realizes the only people she can trust are Gary and the crew of the Galaxy One.

While tracking the murder of a hockey player, Liv stumbles onto Chase Graves’ evil plan. Meanwhile, Major is forced to make a horrible decision. Lastly, Peyton tries to contain a volatile situation.

Vanessa thinks she's friendless when none of her pals are available to go to dinner with her on her birthday. Feeling lonely while waiting for Kevin to pick her up for what she thinks is just a dinner for two, she gets tipsy with Kyle.

When Maze is the prime suspect in a murder, Lucifer and Chloe enter the world of bounty hunting to investigate. Maze decides she wants to go back to Hell, but after Lucifer refuses, she turns to Pierce for help. Meanwhile, Charlotte's sanity is questioned when she makes a big discovery and Chloe admits she's dating someone.

When Andi's folks decide to visit them for Easter, Adam and Andi have to keep the peace between both sets of parents.

Snickers promo for Rick and Morty.

Team Scorpion must use their high IQs to win a softball game when the homeland director challenges, with all of their future government contracts on the line. Also, Walter’s secret night out with Florence puts Toby and Happy on edge.

Kreizler confronts the demons of his past. Moore tells Sara the truth. Connor takes matters into his own hands. The team closes in on the killer as time is running out.

The team at St. Bonaventure needs to quickly discover the truth behind a young college student’s unexplained injuries before his condition worsens. Meanwhile, after losing his most prized possession, Shaun’s distraction during a surgical procedure may end up risking more than just his job.

Artists are challenged to take on beloved classics by Tom Petty, Bob Dylan, and current hits by Ed Sheeran and Chris Stapleton, not to mention a powerful Kelly Clarkson #1 song! Blake and Kelly each have one steal left, and Alicia has two.

Quinn and Jay's new show pitch to Gary doesn't go as planned, driving a fuming Quinn to pull the ultimate power play. Rachel confronts her father about her past and rescues him from her mother's control. Serena finds out about a contestant's secret while Jay's arrangement with Alexi becomes even riskier than before.