# The Line Substitution Solution

> episode of The Big Bang Theory (S9 E23)

**Wikidata**: [Q51477673](https://www.wikidata.org/wiki/Q51477673)  
**Source**: https://4ort.xyz/entity/the-line-substitution-solution


## References

1. IMDb
2. Metacritic
3. [Trakt.tv](https://trakt.tv/shows/the-big-bang-theory/seasons/9/episodes/23)