with 10 episodes premiered on March 9, 2009

A murder-mystery writer and a detective team up to catch a serial killer who is reenacting murders from his books. Once the case is solved, the unlikely pair continue to work together to probe New Yo… see more

with 24 episodes premiered on September 21, 2009

Best-selling mystery novelist Rick Castle’s unique approach to crime solving may have won over Detective Kate Beckett, but after crossing her, Castle is going to have to do his best work to get her b… see more

with 24 episodes premiered on September 20, 2010

She’s still armed. He’s still dangerous. And their chemistry is hotter than ever. Season three finds both Richard Castle and Detective Kate Beckett pursuing romantic options of their own. Their signa… see more

with 23 episodes premiered on September 19, 2011

Prepare for a season full of suspense as Castle works to identify Beckett's shooter while Beckett struggles with the aftermath of her near-death encounter. All the while, the duo tackles a new batch … see more

with 24 episodes premiered on September 24, 2012

Now that Castle and Beckett have finally given in to their true feelings for each other, how will it affect their work together? As they try to keep their new relationship under wraps from their co-w… see more

with 23 episodes premiered on September 23, 2013

After Castle's stunning romantic proposal to Beckett, what happens next? The magnetic crime-fighting couple faces a whole new set of challenges as they juggle wedding plans and their most intriguing … see more

with 23 episodes premiered on September 29, 2014

The wedding bells are ringing, but will Castle and Beckett really tie the knot? On the biggest day of his life, Castle is nowhere to be found, and it's not because he has cold feet. Now, in a season … see more

with 22 episodes premiered on September 21, 2015

In the Season 7 finale, Beckett was faced with a choice about her future. Now that she's been promoted to Captain, how will New York's famous couple adapt in Season 8?