Heyyy everyone it's tavia and I recently joined the stranger things fandom please enjoy vote and comment. So here is my 1st theory about season 2❤️
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I think that the lost brother (the last episode of season 2) will be about the guy from the laboratory in the 4th episode because the main scientist (forgot his name sorry or a.k.a "Papa" from eleven) he says "be careful my son" somewhere around that saying and then he gets taken by the monster I have a feeling he will be found like barb and somewhat will, possibly storing eggs to make more monsters and like barb be found dead. Yes this is just an idea so no hate.
