Maggie gets possessed by a demon Lisa discovers a creepy/perfect version of her family in an alternative universe Treehouse of horror xxviii sees the series finally succumb to structural anarchy Homer accidentally orders a relic containing an evil demon off the internet, which he places in maggie's room Maggie ends up being possessed by it and causes some trouble until an exorcist is called in to expel him from maggie's body. It originally aired on october 22, 2017.
Screengrabs, sounds and images from treehouse of horror xxviii, the 4th episode of the 29th season of the simpsons Maggie becomes possessed by an ancient demon, lisa discovers a creepy/perfect version of her family.
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