DuckTales (2017) (2017)

S1E5 Terror of the Terra-Firmians!

In "Terror of the Terra-Firmians!", Huey and Webby find themselves at odds over the reality of a legendary creature, prompting them to venture into a spooky, deserted subway tunnel for answers. Meanwhile, Mrs. Beakley starts to question Lena's true intentions and the secrets she may be hiding. As the kids delve deeper into the tunnel, they uncover unexpected mysteries that challenge their beliefs and test their courage.