Julia throws a birthday party for Ivy, but with her mom refusing to help, Julia must rely on Liz and Kevin's party skills along with her own event-organizing savvy to make it a success.
Recent high-school graduate Stephanie Neiman gives her friend a ride, which ends with Neiman fighting for her life.
David and Lisa investigate strange noises while camping in North Carolina; Davey and his friends find evidence of a satanic ritual in the woods near their campus.
Pickle and Peanut free a magical dragon and try to help him find a true friend who will not make him abuse his powers.
The Sugar Bees try to sabotage Peanut's synchronized swimming team before a big competition.
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.
Section 20 start to close in on terrorist Omair Idrisi and his wife Jane Lowry, but the team is forced to extract devious arms dealer Morgan Ives from Libya.
When a farmer's strike led by a local preacher escalates, a man from his past is sent to restore order.
Murtaugh and Riggs investigate a death that occurs moments before the victim's bet wins a horse race. Leo Getz insists it's a homicide and aids in the investigation. Murtaugh updates his will. Riggs struggles to come to terms with his past.