6×14 – Dressed to Kill
In "Dressed to Kill," a young woman's murder sends Castle and Beckett into the world of cutthroat world of high-end fashion.
6×20 – That 70’s Show
The team must pretend they're in the 1970s when talking to an old-time mobster.
601 – Valkyrie
Last season ended with Beckett wrestling over whether to take a high-profile job in DC -- a dilemma made more complicated when Castle proposed to her. In the Season 6 Premiere of "Castle," Castle and Beckett will deal with the consequences of their decisions against the backdrop of a high-stakes investigation.
6×21 – Law and Boarder
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.
6×09 – Disciple
When a woman who looks very similar to Lanie is murdered, the team thinks the killer may be targeting members of the 12th precinct.
6×15 – Smells Like Teen Spirit
Castle and Beckett investigate the death of a young girl who appears to have been killed with telekinesis.
602 – Dreamworld
In "Dreamworld", Beckett races against time to find a stolen toxin capable of killing tens of thousands of people. To make matters worse, Castle was exposed, leaving him with less than 24 hours to live
6×16 – Room 147
A guilt-ridden woman confesses to a murder, but contradictory evidence and a second confession complicate the case.
605 – Time Will Tell
In "Time Will Tell", a murder suspect claims he's a time traveler from the future who's trying to prevent disastrous events from unfolding.
6×10 – The Good, the Bad, and the Baby
A bleeding man stumbles into a church, but just before dying, he hands a mysterious bundle to the priest. When the bundle turns out to be a smiling baby boy, Castle and Beckett find themselves accidental nannies to the newborn.