There are two things the rest of the fandom thinks are going to happen in Dipper and Mabel vs the Future that I disagree with.

1. I don’t think there will be aliens in the episode. I think aliens will be talked about, considering how Ford dramatically shows Dipper the cliffs that just happen to be shaped like a UFO

I think it’s likely that we will see how aliens have impacted Gravity Falls, but I don’t think we’ll actually see any aliens in DAMVTF. My reasoning is this interview with Alex from 2012. At one point he states “Probably the only rule I have for the writers’ room is ‘no aliens’—at
least not until our second-to-last episode, just because nothing is
bigger.”

I’m not the first to remind everyone that this can’t be the last episode (or second to last episode) because after this episode airs we will still have 4 more cards left of that page thing with the Stans’ faces on it. (I hope everyone knows what I’m talking about because I don’t know how else to describe it, I don’t know if there’s an actually name for it, an I don’t have a picture of it) So we have a few more episodes before we’re likely to see any aliens, but they will probably be foreshadowed in DAMVTF and a short plot line with aliens will probably start in this episode too (if an aliens plot line hasn’t started already and I just haven’t picked  up on it)

2. I also don’t think this episode will take place on Dipper and Mabel birthday. I can hear you all saying to your computer/phone/ipod/tablet screens “What is she talking about? This entire episode is about their birthday.” Let me explain my thinking.

The description for the birthday side of this episode says “Mabel decides to plan for her and Dipper’s 13th birthday party.“ the keyword here is plan. It says nothing about their being a party or celebration of any kind. In the trailers, Mabel is handing out invitations, you never see any evidence of there being an actually party. The only part that looks like a party is here

It looks festive, there’s balloons, a pinata, etc, however, the room is labeled “B-DAY PLANNING ZONE” so this isn’t the party.

Also, as stated above, this isn’t the last episode. If their birthday is on the last day of Summer, and this episode takes place on their birthday, what’s supposed to happen the next four episodes? When are they going home?

I know people are going to argue that Mabel’s sweaters mean something, and that she’s wearing a birthday sweater in this episode, but a birthday sweater could also be her way of dressing up for planning the party, that is defiantly something she would do. And I don’t think she’d wear a birthday sweater on her birthday, I think she’d wear her favorite sweater on her birthday. I don’t know about you guys, but I always wear my favorite clothes on my birthday. (I’ll bet you if Mabel does wear her favorite sweater on her birthday, it’ll be the shooting star sweater) Another thing to note is that in one of the trailers Mabel said “We are one week away from our 13th birthday!” an entire week seems like too many days for one single episode to take place, but it seems like a fair amount of time for 5 episodes to take place.

There are two things the rest of the fandom thinks are going to happen in Dipper and Mabel vs the Future that I disagree with.

1. I don’t think there will be aliens in the episode. I think aliens will be talked about, considering how Ford dramatically shows Dipper the cliffs that just happen to be shaped like a UFO

I think it’s likely that we will see how aliens have impacted Gravity Falls, but I don’t think we’ll actually see any aliens in DAMVTF. My reasoning is this interview with Alex from 2012. At one point he states “Probably the only rule I have for the writers’ room is ‘no aliens’—at
least not until our second-to-last episode, just because nothing is
bigger.”

I’m not the first to remind everyone that this can’t be the last episode (or second to last episode) because after this episode airs we will still have 4 more cards left of that page thing with the Stans’ faces on it. (I hope everyone knows what I’m talking about because I don’t know how else to describe it, I don’t know if there’s an actually name for it, an I don’t have a picture of it) So we have a few more episodes before we’re likely to see any aliens, but they will probably be foreshadowed in DAMVTF and a short plot line with aliens will probably start in this episode too (if an aliens plot line hasn’t started already and I just haven’t picked  up on it)

2. I also don’t think this episode will take place on Dipper and Mabel birthday. I can hear you all saying to your computer/phone/ipod/tablet screens “What is she talking about? This entire episode is about their birthday.” Let me explain my thinking.

The description for the birthday side of this episode says “Mabel decides to plan for her and Dipper’s 13th birthday party.“ the keyword here is plan. It says nothing about their being a party or celebration of any kind. In the trailers, Mabel is handing out invitations, you never see any evidence of there being an actually party. The only part that looks like a party is here

It looks festive, there’s balloons, a pinata, etc, however, the room is labeled “B-DAY PLANNING ZONE” so this isn’t the party.

Also, as stated above, this isn’t the last episode. If their birthday is on the last day of Summer, and this episode takes place on their birthday, what’s supposed to happen the next four episodes? When are they going home?

I know people are going to argue that Mabel’s sweaters mean something, and that she’s wearing a birthday sweater in this episode, but a birthday sweater could also be her way of dressing up for planning the party, that is defiantly something she would do. And I don’t think she’d wear a birthday sweater on her birthday, I think she’d wear her favorite sweater on her birthday. I don’t know about you guys, but I always wear my favorite clothes on my birthday. (I’ll bet you if Mabel does wear her favorite sweater on her birthday, it’ll be the shooting star sweater) Another thing to note is that in one of the trailers Mabel said “We are one week away from our 13th birthday!” an entire week seems like too many days for one single episode to take place, but it seems like a fair amount of time for 5 episodes to take place.