Transdimensional arc: One way or another, Alcor ends up having a bet with Stan. Who’ll win the bet?

They approach their bet with honor and fairness for about the first thirty seconds after they make it.

After that it just spirals into this rapidly escalating series of subtle to outright to blatant efforts at cheating their respective ways into victory and calling each other out over said cheating and denying everything about cheating, and next thing you know they’re targeting each other directly via pranks and sabotage rather than focusing on the outcome of the bet…

By the end of it nobody wins, because the bet was either outright forgotten or the subject matter of it never got resolved, there’s silly string everywhere, and half the rooms in the Shack are literally upside down if not inside out.

AU where Acacia is a Bill reincarnation and everyone has a panic attack

It is questionable as to whether Acacia would survive past infanthood. Whether she did or didn’t, it is also questionable as to whether or not Dipper and Mabel’s relationship would flourish under those circumstances.

And if Acacia weren’t torn apart, if Dipper and Mabel were still on speaking and visiting terms…Acacia, with two other siblings, with two parents to love her, would notice a difference in how she was treated by their uncle. Kids always notice.