# Knock Knock, Who's There?/Pat Hearts Squid

> episode of SpongeBob SquarePants (S12 E19)

**Wikidata**: [Q97654255](https://www.wikidata.org/wiki/Q97654255)  
**Source**: https://4ort.xyz/entity/knock-knock-who-s-there-pat-hearts-squid


## References

1. IMDb