A shocking theory about beloved Pixar movie Monsters, Inc is bound to leave jaws dropping as a dark turn on character Boo could potentially ruin childhoods. The heartbreaking scenes of the young character rushing to find Sulley in her wardrobe - only to find an empty cupboard - have sparked a viral theory amongst fans.
Sharing their theory to video-streaming service TikTok, popular account @Justthenobodys revealed that Boo may secretly be another character that you know from another Pixar movie. They explained: "So, you know in Monsters, Inc. how all the monsters travel through doors that go to a random kid's room to scare them?"
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