# Echo

> episode of Smallville (S9 E4)

**Wikidata**: [Q50845910](https://www.wikidata.org/wiki/Q50845910)  
**Source**: https://4ort.xyz/entity/echo-q50845910


## References

1. IMDb
2. [Trakt.tv](https://trakt.tv/shows/smallville/seasons/9/episodes/4)