archytele The Vault
Episode guide

S4·E16 Linchpin (2)

Core Aired February 20, 2012

Narrative Classification: Standard continuity chapter maintaining character development and season progression.

Advertisement

Synopsis

Castle & Beckett race to find the "Linchpin" in order to stop the first domino in a chain of events which will plunge the United States into war. Their efforts continue to put Castle in contact with Sophia Conrad - a smart, commanding and sexy CIA operative who was Castle's inspiration for Clara Strike in the "Derrick Storm" series of books; and intelligence officer Martin Danberg is back.

Rate this episode

Your rating is anonymous and can be changed later.

Be the first viewer to rate it.

Advertisement

Frequently Asked Questions

When did Season 4 Episode 16 of Castle air?

Season 4, Episode 16 ('Linchpin (2)') originally aired on February 20, 2012.

How long is Season 4 Episode 16 ('Linchpin (2)')?

The episode follows the standard broadcast runtime for Castle.

What happens in Castle Season 4 Episode 16?

Castle & Beckett race to find the "Linchpin" in order to stop the first domino in a chain of events which will plunge the United States into war. Their efforts continue to put Castle in contact with Sophia Conrad - a smart, commanding and sexy CIA operative who was Castle's inspiration for Clara Str...

Top-rated Castle episodes

What viewers say

No comments yet. Be the first to share your take on Castle S4E16.

Advertisement