After the airing of this episode, singer Limahl found out that his song "The Neverending Story" (sung in the episode by Gaten Matarazzo and Gabriella Pizzolo) had been streamed more than a million times on Spotify, an increase of 825%.
This is the only episode, this season, where Steve (Joe Keery) and Robin (Maya Hawke) (A) are seen outside of the vicinity of the Starcourt Mall and (B) are wearing something other than their uniforms.
Dustin refers to the location of the radio tower on the hill as "Weathertop", referencing a battle on top of a the hill called Weathertop in the novel and film The Lord of the Rings: The Fellowship of the Ring (2001).
The episode won an Emmy Award for Outstanding Sound Editing for a Comedy or Drama Series (One Hour).
During the conversation between Dustin (Gaten Matarazzo) and Suzie (Gabriella Pizzolo), she remarks "but Ged is also saving Earthsea and he's about to confront the shadow." This refers to the novel, A Wizard of Earthsea, by Ursula K. Le Guin, which also was a basis for Tales from Earthsea (2006).