- Previous episode S01E04 - The Beagle Birthday Massacre!
- Number S01E05
- Directors Matthew Humphreys, Tom Owens
- Writer Christian Magalhaes
Terror of the Terra-Firmians!
Huey and Webby’s disagreement over the existence of a mythic species leads the kids to explore an eerie abandoned subway tunnel, while Mrs. Beakley grows suspicious of Lena.