With Beckett still in D.C., Castle and the boys investigate the murder of former child star Charlie Reynolds, who rose to fame playing the lovable nerd on an early s High School sitcom. But the case takes a turn for the strange when Agents Beckett and McCord arrive from Washington to take over the investigation, creating competitive tension in the precinct. But why would a washed-up actor's death warrant Federal scrutiny Whatever the reason, Beckett and McCord aren't telling. Meanwhile, Castle has to contend with a new face at the th, NYPD Detective Frank Sully Sullivan.
Two best friends discover a doorway leading to the hospital for super heroes.
Penhale spreads pandemonium throughout the village and Bert pops the question to Jennifer.
Members of a rock band are the victims of a brazen shooting in a downtown nightclub. Aidan and Clara have to determine whether the key witness an ex-model with a shady past - is truly suffering from traumatic amnesia or lying to conceal the identity of the killer.
Maddy blames herself for Shannon's depression and hopes to make amends at the school disco.
Two best friends discover a doorway leading to the hospital for super heroes.
The FBI is on the hunt for a high-ranking Chinese spy, Wujing which Red claims has hired him to help decode a classified CIA transmission. Liz, posing as an FBI cryptographer goes with Red to decode the message while protecting US government secrets. Meanwhile, Liz proactively investigates Tom.
The guys visit New Brunswick, where they uncover vintage automobiles, a retro coffin, and a collector's bargain-priced inventory a pinball competition at the Calgary warehouse leads to a big sale.
When the President decides to use another doctor for his surgery, Ellen is threatened by Duncan to make him change his mind. Also, Ellen meets Duncan's daughter which could help her get more insight into him.
The team devises a plan to use a donated cadaver to draw out Pelant; Sweets returns to work and believes Agent Flynn isn't who he seems.
When Kwazii gets lost at sea aboard the tiny octo-ski, he meets a flotilla of even tinier sea skaters - the only insects who live on the ocean.
In the wake of Sassy's dramatic departure, Ceaser is left to wonder if the joke, and Dutchess' attitude, have gone too far.
Can Anthony save the sinking Ritz Inn in Niagara Falls, Ontario?
Tiff Needell is in Los Angeles to look into the new trend of restomodding. Jason takes on Brazilian ace-race Bruno Senna in the new Aston Martin Vanquish.
When Stuart's ex-wife offers to settle their divorce if she can keep his beloved dog, he takes matters into his own hands and enlists the guys' help to get the dog back.
When Max becomes smitten with an old stray cat that's been hanging around the apartment, Caroline tries to convince her they need to find it a better home. But just when they think they've found one, the cat's fate takes a turn.
A spirited little girl named Peg and her sidekick Cat solve problems using foundational math concepts.
When Uncle Grandpa shows up and mistakenly eats a kid's Egyptian diorama for school, he helps the kid bring an actual pyramid to class, but accidentally unleashes an evil mummy on the world.
As Adriana botoxes her prince and makes unreasonable demands on her guests, Marysol and Alexia plot to stop the Brazilian Bridezilla from ruining her dream wedding. Romain and Joanna discover there's more to their sex problems than meets the eye, and Marysol confronts Lea at Alexia's birthday party about not reaching out to Elsa. But Lisa vehemently comes to Lea's defense in a way we've never seen her before.