Each contestant selects a song to perform before facing off against a teammate; the coaches choose a member of their team to advance, leaving the castoffs up for grabs; key adviser Kelly Clarkson.
In the 1970s, a serial rapist is on the loose in northern California. As his reign of terror over the community wanes, police discover he isn't just a serial rapist, he's a serial murderer who has been killing people all over California.
A familiar face from McKeyla's past steps up to help as her family connections to the case grow clearer. And "Bry-ence"? Well, it's bigger than ever.
A new theory emerges as the girls turn their attention to the school dance -- and having dinner at Bobby Stone's cutting-edge "smart" home.
The girls act fast and use their skills to name a suspect when someone threatens to sabotage a state-of-the-art urban development.
While the girls dig for more information on Bobby Stone, Adrienne and Ember make a surprising discovery about Stone Water -- and where it comes from.
The girls suit up to make a scene at the Stone Water-sponsored Young Voices Awards, where McKeyla and Kyle finally talk face to face.
Frankie's mom stays with her after becoming ill; Sue suggests to Sean that they should set each other up on dates; Axl and Brick ponder what Mike actually does at the quarry.
A convicted felon claims NCIS framed him for murder a decade ago, so Gibbs investigates and asks Ducky to conduct a new autopsy. Meanwhile, Senior FBI agent Fornell joins the probe, since he was the lead investigator in the original joint FBI and NCIS case.
An undercover operation brings out Holt's inner gambler. Rosa tries to out-laze Hitchcock and Scully. Charles buys a food truck with an unsavory past.
Diane experiences a big life event toward becoming a woman and Bow, Ruby, Zoey and Alicia are there to support her. Meanwhile, afraid that he may never be able to beat Junior at basketball again, Dre conducts psychological warfare on Junior before challenging him to a game.
A clinical trial of brain implants in veterans is hacked, and Patton must work alongside his ex-wife who spearheads the project.
Having received an ominous threat from her old boss, Amunet, Caitlin fears that her past time as Killer Frost may be back to haunt her. Felicity comes to Central City to help the girls celebrate Iris's bachelorette party, while Cisco, Joe and the guys take Barry out for a night on the town.
Kai receives visits from Charles Manson as he begins to question everyone around him.
Bull helps a teachers union represent a woman who is being prosecuted for helping an impoverished student pass an important test, but who may be the scapegoat for a larger cheating scandal.
When Nate thinks he has found a pattern to the anachronisms, it leads the Legends to London in 1897 to hunt down a time-traveling vampire. When they arrive in London, they run into Rip, but not everyone welcomes him back so quickly, leaving Sara to make a tough choice in the end. Amaya tries to connect with Zari, but she is still struggling with being part of the team. Meanwhile, Stein discovers what Ray and Jax are up to and is not entirely pleased.