# Linchpin (2)

> episode of Castle (S4 E16)

**Wikidata**: [Q51206594](https://www.wikidata.org/wiki/Q51206594)  
**Source**: https://4ort.xyz/entity/linchpin-2-


## References

1. Metacritic
2. [Trakt.tv](https://trakt.tv/shows/castle/seasons/4/episodes/16)