Castle · SEASON 4
Linchpin (2)
Episode 16 · 2012-02-20
- Drama
- Crime
Episode overview
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 Turner - 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.
44 minutes
Season 4 episodes
1. Rise2011-09-19
2. Heroes & Villains2011-09-26
3. Head Case2011-10-03
4. Kick the Ballistics2011-10-10
5. Eye of the Beholder2011-10-17
6. Demons2011-10-24
7. Cops & Robbers2011-10-31
8. Heartbreak Hotel2011-11-07
9. Kill Shot2011-11-21
10. Cuffed2011-12-05
11. Till Death Do Us Part2012-01-09
12. Dial M for Mayor2012-01-16
13. An Embarrassment of Bitches2012-01-23
14. The Blue Butterfly2012-02-06
15. Pandora (1)2012-02-13
16. Linchpin (2)2012-02-20
17. Once Upon a Crime2012-02-27
18. A Dance with Death2012-03-19
19. 47 Seconds2012-03-26
20. The Limey2012-04-02
21. Headhunters2012-04-16
22. Undead Again2012-04-30
23. Always2012-05-07
