The Wrong Stuff
Season 7, Ep. 16
An astronaut is killed inside a Mars simulation; a discovery results in a shocking turn in the case.
First Aired: February 23, 2015.
Season 7, Ep. 15
Part 2 of 2. Stakes rise as the 12th Precinct matches wits with serial killers Jerry Tyson (3XK) and Dr. Kelly Nieman. Castle and the team must crack the case before the killers claim their next victim.
First Aired: February 16, 2015.
Season 7, Ep. 14
Part 1 of 2. Castle and Beckett encounter an old rival, Dr. Kelly Nieman, while looking at clues in a woman's mysterious murder, and then further investigation links an infamous serial killer to the crime.
First Aired: February 9, 2015.
Season 7, Ep. 13
A woman hires Castle to see if her husband is cheating on her -- but things take a shocking turn.
First Aired: Feburary 02, 2015
Private Eye Caramba!
Season 7, Ep. 12
While Beckett and her team investigate the murder of a young telenovela actress, Castle is hired by the show's star to follow the case from a different angle.
First Aired: January 19, 2015.
Season 7, Ep. 11
When Castle is prohibited from working with Beckett or the 12th Precinct he gets his P.I. license and shows up at Beckett's crime scene as a private investigator, where things don't go as planned.
First Aired: January 12, 2015.
Season 7, Ep. 10
Castle and Beckett's investigation into the shooting death of an ER physician leads them to a Mafia family run by an old friend of Castle's. Esposito and Lanie reach a defining moment in their relationship.
First Aired: December 8, 2014.
Last Action Hero
Season 7, Ep. 9
A well-known action-movie star from the 1980s is killed, so Castle and Becket look into the actor's past and get some investigative assistance from his aging former costars.
First Aired: December 1, 2014
Season 7, Ep. 8
Subway riders are taken hostage by a man with a gun, and Esposito is one of the unlucky passengers.
First Aired: November 24, 2014
Once Upon a Time in the West
Season 7, Ep. 7
Castle and Beckett pose as newlyweds at an Old West resort to investigate a possible poisoning homicide.
First Aired: November 17, 2014
The Time of Our Lives
Season 7, Ep. 6
Castle's thrown into an alternate universe during a murder investigation, and Beckett, Esposito and Ryan view him as a stranger in this world, so he must persuade them to let him assist them. Afterward, Castle finds the experience very inspiring.
First Aired: November 10, 2014.
Meme Is Murder
Season 7, Ep. 5
Castle and Beckett investigate an Internet star's murder and find photos of the crime posted online by the killer, leading them to believe they're dealing with a social-media sociopath who may be looking for more victims.
Season 7, Ep. 4
Castle goes undercover at an elementary school to find the second-grader who may possess information about the shooting of an ice cream vendor.
First Aired: October 20, 2014.
Clear & Present Danger
Season 7, Ep. 3
A pool shark's death is investigated, and evidence suggests the killer may possess supernatural abilities. Meanwhile, Castle and Beckett try to resume their ordinary lives and move on from his disappearance.
First Aired: October 13, 2014.
Season 7, Ep. 2
As the rest of team looks into the death of a toy company's CEO, Castle starts his own investigation after finding a lead in his mysterious disappearance.
First Aired: October 6, 2014.
Season 7, Ep. 1
In the seventh-season opener, Beckett embarks on her hardest case as she waits at the scene of Castle's accident and learns details about the car crash.
First Aired: September 29, 2014.
For Better or Worse: FINALE
Season 6, Ep. 23
When a surprise threatens to spoil Castle and Beckett's wedding day, they must set out on a wild mission filled with masked men and angry bikers.
FEATURE: Will Castle and Beckett finally get hitched, or will the finale end in a cliffhanger?
First Aired: May 12, 2014
Season 6, Ep. 22
Beckett's secret investigation into her mother's death goes awry when a man she has been watching is killed.
First Aired: May 5, 2014
Law & Boarder
Season 6, Ep. 21
Castle and Beckett delve into the world of extreme sports when a mysterious motorcyclist shoots an up-and-coming professional skateboarder.
First aired on April 28, 2014.
That '70s Show
Season 6, Ep. 20
When construction workers find the body of a missing mobster, Castle and Beckett must play into the delusions of a the only witness in order to solve the murder.
READ: Bell bottoms, afros and disco balls: Top 5 reasons you can't miss the '70s-inspired 'Castle' episode
First aired on April 21, 2014
The Greater Good
Season 6, Ep. 19
An investigation into the murder of a Wall Street trader takes a shocking turn when Castle and Beckett discover Gates' estranged sister is involved.
READ: 'Castle' wedding update: Castle and Beckett tackling their invite list hits close to home
First Aired: March 24, 2014
The Way of the Ninja
Season 6, Ep. 18
When Castle and Beckett investigate the mysterious murder of a Japanese ballet dancer, they end up being targeted by a ninja assassin.
First Aired: March 17, 2014
In the Belly of the Beast
Season 6, Ep. 17
Beckett is asked to assist with a narcotics investigation; when a routine undercover operation goes awry; Beckett faces dangerous men from the New York underworld.
First Aired: March 2, 2014
Season 6, Ep. 16
A guilt-ridden woman confesses to a murder, but contradictory evidence and a second confession complicate the case.
First Aired: February 23, 2014
Smells Like Teen Spirit
Season 6, Ep. 15
Castle and Beckett investigate the case of a high school mean girl who appears to have been killed by someone with telekinetic powers.
First Aired: February 16, 2014