# Protocol

> episode of Madam Secretary (S4 E21)

**Wikidata**: [Q114476398](https://www.wikidata.org/wiki/Q114476398)  
**Source**: https://4ort.xyz/entity/protocol-q114476398


## References

1. fernsehserien.de
2. Metacritic
3. [Trakt.tv](https://trakt.tv/shows/madam-secretary/seasons/4/episodes/21)