# The 21-Second Excitation

> episode of The Big Bang Theory (S4 E8)

**Wikidata**: [Q51477414](https://www.wikidata.org/wiki/Q51477414)  
**Source**: https://4ort.xyz/entity/the-21-second-excitation


## References

1. IMDb
2. Metacritic
3. [Trakt.tv](https://trakt.tv/shows/the-big-bang-theory/seasons/4/episodes/8)