* ActorAllusion: Cloris Leachman voices Gnorga, the Queen of the Trolls in this film, and she had previously played a role as Cerena, Queen of the Trolls in the Creator/HannaBarbera Christmas special "The Little Troll Prince".
* BoxOfficeBomb: One of biggest in the history of animated films.
* FakeAmerican: The parents, [[WTHCastingAgency who for some reason are voiced by none other than]] Jonathan Pryce and Hayley Mills. [[OohMeAccentsSlipping They don't do a very good job of it.]]
* HeyItsThatVoice: Gus is voiced by the same kid who voices [[WesternAnimation/AnAmericanTail Fievel]].
* OldShame: Gary Goldman stated that he and Creator/DonBluth were not impressed with doing this film.
* [[ScrewedByTheNetwork Screwed by the Studio]]: According to the IMDB trivia. Gary Goldman stated that the reason the movie did so poorly at the box office was the fact that it was released without any promotion whatsoever, and what release it ''did'' have was limited.