Castle and Beckett's long-awaited wedding is almost here, but when a shocking surprise threatens to ruin the big day, they are sent on a wild mission filled with masked men, angry bikers and a charming ne'er-do-well from Beckett's past.
An investigation conducted by Beckett related to her mother's murder goes awry when a man she has been surveying is killed. When evidence links Beckett to the victim, she and Castle become the targets of a manhunt that puts both of them in grave danger.
When an up-and-coming professional skateboarder is gunned down by a mysterious motorcyclist, Castle and Beckett are thrust into the world of extreme sports, where the death defying stunts aren't the only thing that's dangerous.
When construction workers find the body of an infamous New York mobster who disappeared in the seventies, Beckett and Castle try to solve this three decade-old Mafia hit.
An investigation into the murder of a Wall Street trader takes a shocking turn when Castle and Beckett discover Gates' estranged sister is involved.
When Castle and Beckett investigate the mysterious murder of a Japanese ballet dancer, they end up being targeted by a ninja assassin.
Beckett is asked to assist with a narcotics investigation; when a routine undercover operation goes awry, Beckett is faced with dangerous men from the New York underworld.
A guilt-ridden woman confesses to a murder, but contradictory evidence and a second confession complicate the case.
The murder of a high school mean girl points to a teenage telekinetic.
Castle and Beckett are thrust into the world of high fashion.
When a pop star is found dead in an alley, Beckett and Castle look into her hard-partying lifestyle; a shocking revelation rocks the investigation.
The murder of a video store clerk with a secret history leads the team to Castle's father.
Castle and Beckett suspect a serial arsonist of murder; Jenny goes into labor.
A dying man leaves a baby with a priest; Castle and Beckett end up taking care of the baby while they investigate.
When a woman who looks very similar to Lanie is murdered, the team thinks the killer may be targeting members of the 12th precinct.
A well-known relationship therapist is murdered.
Castle Sneak Peek
Significant Others - Sneak Peek
Castle: 'Murder Most Fowl' Sneak Peek
Castle: '3XK' Sneak Peek
Castle - Sneak Peek
Feel the bitter sting of defeat.
Castle has less than 1 day to live.
A fan asks if Lanie Parish (played by Tamala Jones) and Javier Esposito (played by Jon Huertas) will ever get together. Moderator and TV host Tom Bergeron asks if we'll ever meet Chet, boyfriend of Susan Sullivan's character (Martha Rodgers).
Moderator and TV host Tom Bergeron asks cast members Ruben Santiago-Hudson (Roy Montgomery) and Tamala Jones (Lanie Parish) about getting the takes they want.
Series creator/executive producer Andrew W. Marlowe says that season three has been about secrets. Cast member Nathan Fillion (Richard Castle) says that his "Firefly" co-star Adam Baldwin will guest star as Detective Slaughter later this season.
Castle: 'A Deadly Game'
Castle cares less about the title of his relationship with Beckett.
Cast member Molly Quinn (Alexis Castle) talks about her TV dad Nathan Fillion (Richard Castle). Series creator/executive producer Andrew W. Marlowe and director/executive producer Rob Bowman talk about creating a show with compelling characters.
Castle sneak peek.
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