Mabel woke up extra early she knew that today was the day she would leave gravity falls and she wanted to wake up bright and early to say goodbye to all the friends she made during the summer, then she realized one thing Bipper wasn't awake yet she quickly grabbed her grappling hook and put it inches away from Bippers face just to make sure he wasn't planning anything like he said he usually was. Some time passed and Bipper finally woke up he sat up from the bed rubbed his eyes he looked at Mabel gave her this crazed look and said to her "SHOOTING STAR YOU MIGHT WANT TO REMEMBER THIS IF YOU HURT ME YOU HURT THE PINE TREE."

This thought didn't affect Bipper to much but it made Mabel lower her grappling hook.

She told Bipper with a sinister look in her eyes. "I'm keeping this just in case you do any evil triangle things in Dippers body"

"EVEN IF I WANTED TO DO ANYTHING SHOOTING STAR I'M STUCK WITH THESE STUPID NOODLE LEGS." Bipper said with an angry look on his face.

Dipper was watching the whole conversation and he wasn't happy with what Bill was doing in his body first he destroyed the laptop and later during the summer he got so close to ruining his journal the only reason why he didn't destroy it is because Ford hid the journal and after that Ford had his eye so close on Bill he couldn't get anywhere near the journals or anything like that.

"Bill this is utterly important you need to tell Mabel that I wish her a happy birthday, please just so she knows that i'm here" Dipper said with a very dramatic tone.

"PINE TREE WHY WOULD I DO ANYTHING FOR YOU?" Bill looked at Dipper and smiled with a hint of vacancy in his eyes.

Mabel was watching the whole thing and was slowly backing away she wasn't sure about what just happened. Bipper had been doing this the entire time he was stuck in Dippers body he told Mabel that he could she her brother through the mindscape but Mabel always thought he was just messing with her. "Ok I'm going to go downstairs and have breakfast"

"HEY SHOOTING STAR HOW 'BOUT I JOIN YOU FOR SOME HUMAN FOOD?" Bipper asked while going downstairs.

"Ugh it's bad enough you've taken over my brothers body and now your acting all weird and stuff, which isn't actually too out of the ordinary anymore" Mabel said as she was entering the kitchen.

Stan was in the kitchen drinking his second cup of coffee "I take it that the triangle thing or whatever is still in Dippers body"

Bipper suddenly jumped up and grabbed Stan's shirt and pulled him down to eye level with him and said with an insane grin "SO MR. FEZ CAN YOU EXPLAIN ME WHY I'M STILL STUCK IN THIS STUPID BODY AND I MISSED OUT ON MY CHANCE TO PUT MY PLANS INTO ACTION, GIVE ME THE ANSWER TO THAT FEZ HEAD!"

"Aright, just calm down it's only morning and already I've had too much crazy for today."

Bipper then let go of Stan's shirt "WHATEVER ITS NOT LIKE YOU EVER HAD ANY ANSWERS TO BEGIN WITH" Bipper then tried to mumble but it just came across as a quiet shout.

Mabel then quickly chipped into the awkward conversation "by the way grunkle Stan guess what day it is today!"

Before Stan could even answer Mabel quickly added "it's our birthday! Well mine and Dippers anyway and not the triangle right there!"

Mabel the pointed at Bipper with an annoyed look on her face it looked as if she was going to punch Bipper "WHOA KID, DON'T POINT THE FINGER AT ME."

As Bipper was talking to Mabel Stanford walked into the kitchen. "Hello there everyone I just came in to check in on this little problem we're having right now, has the problem been solved yet?"

Ford asked without getting a look of his great nephews pupils "WELL, WELL, WELL, SIXER GOOD TO SEE YOU TELL ME THAT, THAT BIG BRAIN OF YOURS HAS FOUND OUT THE WAY TO GET ME OUT OF THIS BODY RIGHT NOW!"

You could see the desperate look in Bipper's eyes and face as he spoke "well… no, but if you stay longer I might be able to figure out a way to get Bill out of Dippers body"Stanford said with a sad look.

"Um, great uncle Ford I don't think that will be possible we need to go home summers ending, and I don't think out parents will let us stay here even though we've had an amazing time here. They'll get really worried and junk like parents do" Mabel said.

"Ok, that will be a bit of a problem well I'll stay here and see what I can do" Ford said.

"Hey great uncle Ford you coming to our party later today?" Mabel asked with a grin.

"I'll see if i have the time to we've got a pretty big situation on our hands here and i can't afford to waste any time" Ford replied back coldly.

"Oh i just thought it would be nice, i thought you could just come and take your mind of things" Mabel said disappointed with the answer she received.

"Alright since I've already spent enough time on this and no answers have come to me, then i think i could spare five minutes to go to a party" Ford said smiling as he poured himself some coffee.

"ARE YOU GUYS JUST GONNA STAND AROUND HERE? WAIT! I HAVE A BETTER IDEA YOU COULD FIGURE OUT HOW TO GET PINE TREE BACK"Bipper shouted a little louder then what they were used to causing both Grunkles to spill their coffee on the table.

"Kid, if your going to have your party we're going to have to do something about him"Stan said wiping up the table as everyone else looked at Bipper who was eating pancakes like a "person" sticking it in his eye he then lowered his fork realizing everyone was staring at him and giving him strange looks

"WHAT? THIS IS HOW PEOPLE EAT RIGHT?" Bipper questioned.

"Yeah we really can't have him at the party" Mabel said lowering her head ignoring what Bipper had just said.

"Don't worry kid you can still have your party, just have some breakfast and get dressed while me and Ford figure this out." Stan said while trying to keep a smile.

"Thank you grunkle Stan today's going to be a great day, Grunkle Ford make sure you'll be there otherwise if you're not I'll drag you out of the lab." Mabel said while quickly eating her breakfast then running upstairs to find her birthday outfit that she had been waiting to break out the whole summer.

"Okay now smart guy how are we going to deal with that thing and make sure he doesn't get into any trouble." Stan whispered to Ford while they were looking at Bipper, still trying to put the piece of pancake into his eye, silence fell between the two as they tried to figure it out.

"I think I might have an idea." Stan blurted out before he suddenly picked up Bipper who was still attempting to feed himself through his eye, and went to the nearest closet, and threw Bipper into the closet and locked it.

"Now you're not getting out of there until it's time to leave the town, and don't even think of getting out of here because i'll know." Stan said with and increasingly annoyed tone.

"HA, HA VERY FUNNY, BUT YOU KNOW NOTHING STANLEY PINES!" Bipper shouted his voice sounded louder but also a bit muffled.

"Well i know enough to keep a person in a closet for a prolonged time" he said dryly it sounded as if he was revisiting some darker times in his life.

"YOU CANT KEEP ME IN HERE FEZ HEAD THIS IS CHILD ABUSE" Bipper shouted through the door

"Yeah whatever, now if you'll excuse me I have clothing from the 80's to put on for my great nieces and nephews birthday, you know my nephew you would have to because you're possessing him" Stan said as he walked away from the closet.

"IT'S SO NICE THAT YOU CAN REMIND ME IF THIS STANLEY, REALLY I'LL JUST PUT IT IN SCRAPBOOK" Bipper said while pounding on the door.

Meanwhile as Bipper was staring at his new surroundings, Mabel was in the middle of setting up her biggest birthday bash yet. "Okay, everyone will be here in about an hour and were about halfway there." she said to Soos and Wendy who were helping her set up.

"Yo dawg where's Dipper at? I haven't seen the little dude in like ages." Soos asked.

"Well, um remember that triangle demon that went into Stan's mind? Well Dipper kind of sort of made a deal with him and now the triangle is stuck in Dippers body." Mabel said.

"Oh man this is like some serious junk dude." Soos said with a worried tone.

"Yeah Mabel, what happens if that thing is in Dippers body for like ever?" Wendy asked.

"That'll never happen why would it?" Mabel said while staring at her birthday decorations, pleased at herself and the people helping her.

"Well you never know plenty of crazy things has happened this summer." Wendy replied while putting some snacks on the table

"Guys, I think this party calls for some STREAMERS" Mabel shouted throwing a roll of streamers at Soos trying to lighten up the mood around her.

"Aw dude, get ready for an epic fight!" Soos shouted throwing some streamers back at Mabel and so a streamer fight broke out between the three friends. All Mabel wanted to do was avoid any questions having to do with Bipper after all it wasn't her problem it would only become her problem when she has to go back home and deal with him.

While this was happening Dipper was finding a way any way to get Bill out of his body. Well he was kind of like a ghost so it was more difficult to get answers than usual.

"I have to find a way to get Bill out of me before its time to go back home"

Dipper said while trying to look through the journals but it was proving to be more difficult then any mission he's ever been on.

"Come on Dipper prove to yourself that you're not completely useless in a form like this."

He was once again trying to look through the journals but once again he couldn't, then it dawned on him he remembered back to what Bill said to him about having a vessel that put a new idea in Dippers head he started to float around the shack and frantically search for something he could use he suddenly remembered Mabel's sock puppets he grabbed one and placed in the bottom of her bag.

"In case Mabel ever needs me I'll be able to use this"

Dipper said to himself, fairly proud of the plan he just made.

Stan had finally gotten himself ready to celebrate his nieces birthday hoping that sometime during the day Dipper would come out and that triangle demon weirdness was over but also he had this gut feeling that Dipper would be lost in the "mindscape" forever, but he decided to just let himself calm down and get to the party.

"Whoa kid you really went all out here" Stan said looking at the decorations that were placed outside of the mystery shack.

"Grunkle Stan tell what you think of this, is this amazing or not?" Mabel asked with an extremely excited tone.

"Yeah it's definitely not like any party I've ever been too" Stan mumbled.

"Come on guys let's get this party started Soos! put some music on this dance floor my feet are ready for dancing!" Mabel shouted she made sure that 'disco girl' was on the playlist as she knew it was one of Dippers guilty pleasure songs, she had many stories as to when she walked in on him singing it then trying to play it off cool.

It never worked.

"Right on dude! Lets rise this roof and maybe several others!" Soos said as he started playing music as half the town came in to celebrate this birthday, even Grunkle Ford came to the party and Mabel was so happy he kept his promise.

While this crazy party was happening on the outside Bipper was still in the closet trying to find something to entertain himself with he already poked himself with a clothes hanger for what felt like forever he tried to think of any solutions to this massive problem he was facing but he couldn't exactly do that with all the horrid synthesized music destroying his now human ears and he was starting to feel like the walls were closing in, this closet wasn't the biggest closet to begin with but with Bipper inside it, the closet was starting to get really cramped but even with all his knowledge he couldn't find a simple way to entertain himself and to be honest there weren't really that many ways for Bipper to experience his favorite human emotion, pain, the only things in this closet were clothes and boxes and Bipper didn't really have the room to open the boxes and inspect their contents, which was a shame as their could be some great things to experience pain in those boxes. So he sat waiting to be released from this slightly cramped closet.

The party was finally coming to an end and it was one of the best experiences Mabel had in Gravity falls, it was just the perfect day and it was coming to an end which was kinda sad. The group started to dismantle the decorations no music was playing and nobody really had any topics to discuss so silence fell onto the group as they were packing away all the decorations.

"Well time to go and release a demonic child so it can go home with you" Stan said to Mabel as he walked back into the shack.

"Dude why don't you go up and pack? Will be waiting for you to take you down to the bus stop" Soos said to Mabel as he was finishing off taking down the last of the party decorations.

"Ok but I need one more photo for my summer scrapbook. I want this memory to last a lifetime" Mabel said while holding up her camera to take the photo with Soos and Wendy.

"Ok, now I'm ready to pack, I'll be back soon" Mabel said while walking into the shack and heading upstairs.

"Okay Bill you can come out of the closet" Stan said finally unlocking the closet and releasing Bipper from his cramped and slightly stuffy prison for the last three hours.

"FINALLY FREEDOM" Bipper said as he gasped for air.

"Yeesh don't be so over dramatic, now I want you to go upstairs into the attic and pack my nephews things" Stan said while turned away at the demon.

"NO WAY, I'M NOT DOING ANYTHING FOR YOU, OR FOR ANYONE IN THE PINES FAMILY FOR THAT MATTER" Bipper said while trying to look into Stan's eyes which was difficult to say the least.

"My shack, my rules" he said still not looking at Bipper.

"I'M A BEING WAY OLDER THAN TIME ITSELF SO DON'T YOU GO TREATING ME LIKE A CHILD STANLEY PINES" Bipper said while trying to punch Stan in the leg.

"You might want to take a look at yourself you're stuck in a nerdy thirteen year old, so I don't think your scary words and threats can really terrify me now, GO AND PACK MY NEPHEWS THINGS!" Stan raised his voice at Bipper.

"ARIGHT ARIGHT RELAX SEE I'M GOING THERE'S NO NEED TO SHOUT AT ME" Bipper yelled back.

When Bipper entered the room Mabel was nearly finished packing all her things and she thought it would be nice if she gave Bipper a hand because after all she was the packing master and it did look like he was having a bit of trouble trying to figure out how packing worked.

"Hey there Bipper it looks to me that you need some help from Mabel the packing master" she said while trying to fit her stuffed animals into an already full bag.

"NO THANKS SHOOTING STAR I KNOW HOW TO PACK I'VE SEEN HUMANS DO IT ALREADY, HOW HARD CAN IT BE?" Bipper said as he rolled his eyes. He was lying of course as if he would spend his time watching human behaviors and how they function he was way to busy making plans and getting ready for his own party but he lost out on that opportunity as soon as he figured out he couldn't get out of the pine trees body, to make matters worse while he is possessing a human body he couldn't use his immense power, all he had now was his knowledge which was fine as he knew some way to cause some chaos using only his words.

Once they were finished packing Mabel's was near perfect (expect for the stuffed animals taped to the bag) and Bipper was out of breath and the bag was nearly popping at the seams from haphazardly throwing random junk in the bag.

"ARIGHT SHOOTING STAR WHAT ARE WE SUPPOSED TO DO WITH THESE BAGS NOW? HIT SOMEONE WITH THEM? BUT IF YOU ASK ME I DON'T THINK THAT WOULD BE TO CREATIVE AND I'M A CREATIVE KILLER " Bipper asked still out of breath but still somehow maintaining a grin which spent a shiver down Mabel's spine.

"Well now we take these to the bus stop and leave gravity falls and go back home, you know back to Piedmont" said Mabel as she tried to lift her bag and sound cheerful at the same time.

AN: So hi! this is my first ever fan fiction whoever is reading this I hope you somewhat enjoy it (sorry if my punctuation is terrible) so yeah I hope you enjoy this and hopefully I won't forget about this. And if you've read this before and are wondering why it's a little different i'm just going back and tidying up some mistakes and adding more to make sure this story is great for everyone reading it.