Beetle Mania is the fourth episode of 3Below.

Official Synopsis

Royal super-fan Stuart offers to help eradicate an alien beetle infestation before it exposes the sibling's true identities.





  • Judging from when Darci says, "Last week, the teachers' coffee got spiked and now this?", it's safe to assume that this takes place a week after the Trollhunters episode "Bad Coffee."
    • Chronology Error: The opening scene most likely takes place the day after the previous episode (along with "Arcadia's Most Wanted"), which means that episode took place a week after "Bad Coffee", then the episodes are chronologically mixed up.
      • Plausible Theory: Of course, if one wanted to keep the chronology intact with a guess, then maybe Stuart (through unknown means) was rendered unconscious for a good whole week while Varvatos and the royal children discuss what they should do to him (Aja and Krel maybe skipped a few school days, one of them being the day "Bad Coffee" took place, which is why they never appeared), until they decide to interrogate Stuart one week later after he finally regains consciousness.
      • Judging from the brief phone call between Mary and Claire, Claire most likely stayed at home from her illness in this episode, and it is safe to assume this takes place before the Trollhunters episode "So I'm Dating a Sorceress". If the Plausible Theory above is true, this and the hug between Darci and Claire in the Trollhunters episode "So I'm Dating a Sorceress" means Claire's skipped one week (or more) of school for her sickness.
  • The title of the episode is a reference to the intense fan frenzy directed towards the English rock band the Beatles in the 1960s known as "Beatlemania".
  • Stuart Electronics was first referenced by Jim in the Trollhunters episode "Becoming: Part 2" while he and Toby flee from Bular.
  • Steve regains his Spring Fling scepter which was taken from him in the Trollhunters episode "Skullcrusher", though it is never seen again after this episode.
  • Steve tried to impress Aja for the first time in this episode. It is also possible that Aja started developing feelings for Steve in this episode, as she smiled at Steve with a satisfied look.


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Arcadia Oaks-pedia has a collection of images and media related to Beetle Mania which can be found at Beetle Mania/Gallery.
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