The Fungies! (2020)

S1E25 The Well Monster

Seth is eager to investigate the ancient well, but Nancy puts her foot down and tells him no. To avoid conflict, Seth fibs and claims he won’t go near it. However, when Pascal accidentally falls into the well, Seth's small deception spirals out of control. Before long, he has the entire town in a frenzy, spreading rumors about a fearsome “well monster” lurking beneath the surface.