Castle/Linchpin (2)
From The TV IV
< Castle
| Linchpin (2) | |
| Season 4, Episode 16 | |
| Airdate | February 20, 2012 |
| Written by | |
| Directed by | |
| ← 4x15 Pandora (1) |
4x17 → Once Upon a Crime |
| Castle — Season Four | |
|
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Linchpin (2) is the sixteenth episode of the fourth season of Castle, and the seventy-fourth episode overall.
Starring:
Guest Starring:
Co-Starring:
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