It was a normal day in the Candy Kingdom with Princess Bubblegum in her lab, testing formulas which could protect the candy citizens. Finn and Jake were next to her, handing her ingredients for each potion.

"Finn, hand me the ladybug wings. Jake, give me the tiger sweat", said the monarch.

"Here ya go", they both said after handing said ingredients.

"Thanks, it was very considerate of you two to help me; these potions could help protect my people, as each will likely raise the IQ of a citizen by at least 40."

"No prob, PB. ", Finn said as he walked over to the window.

While gazing at the vast land of OOO, Finn saw something peculiar out of the corner of his eye. It was a bright streak that was at a high velocity moving closer and closer to the Candy Kingdom.

"Yo, princess, do shooting stars happen during the day?" inquired Finn.

The princess quickly walked over to the window and saw the streak of fire.

"My goodness, It's a meteor! Get to the Candy anti-air cannons" Said Bubblegum as she quickly scurried away.

"Wait, why is it slowing down?"

As the meteor slowed down, it could clearly be seen that it was actually a large cube made of steel that was firing stabilization boosters to slow down.

"It might be an alien craft, lets investigate it" The princess said as she called the Morrow.

Finn, Jake and PB leapt on to the Morrow which was on the roof of the palace and flew closer to the meteor.

The cube eventually reached the ground at a speed of about 12 miles per hour. It landed on the edge of the Grasslands, about 12 miles from the Candy Kingdom. The cube then unfolded to reveal a beautiful ceramic house that had to be at least 2500 square feet large. A man in a pre- mushroom war army vest and pants with a mask of a skull's face and professional sunglasses walked out through the front door and checked around the house, presumably to look for damages.

The man nodded satisfactorily and looked towards the sky, and was surprised to see a giant eagle with 3 passengers on it descending onto his location.

The man decided to be wary and keep one hand near his pistol, but the other waving politely at the crew, who shortly landed about 20 feet away from him.

"Good morning, are you the new creatures that live on this Earth?" The man asked.

Princess Bubblegum was surprised slightly, both at the kindness this alien showed and his use of the old word "Earth".

"There are many different creatures that inhabit this world. Might I ask, who and what are you?", asked Bubblegum.

"My name is Silas Riles, but you can call me Silas, or my code name "Spectre". I am an immortal human being who lived on this Earth a millennium ago.", replied Silas.

"Wait, you're a human? I thought they were extinct after the Great Mushroom war!", yelled Finn.

"Firstly, there are many more humans that exist then you may think, second, what is the Great Mushroom War?"

"You know the war that left a large crater in OOO and drove humans to extinction?"

"Oh, that must be the folklore that these new organisms adapted. No, friend that was not the reason there is a hole in the Earth or why humans left."

"If you wish to speak of history, please come into my house and we may speak while having refreshments.", added Riles.

"I cannot stick around; I am supposed to give a speech to my people at the moment" Said Bubblegum while boarding the Marrow.

"No problem, you should help your kingdom", said Silas.

Bubblegum waved and then flew off to the Candy Kingdom.

"Please come in, gentlemen", stated Riles as he walked in to his house and invitingly let them in.

"One moment, I will just get into some other clothes, please proceed to my living room.", Said Silas as he walked up the stairs to his master bedroom.

Finn and Jake walked into the living room which was accompanied by a white leather couch, several paintings and pictures of other human beings, the largest and most incredible TV they had ever seen which was accompanied by a DVR and several game systems, several cabinets filled with very large books and other small trinkets, a fan on the top of the ceiling with a light and a coffee table with smaller tables beside it.

"Ey, Finn, do you trust this guy?" inquired Jake.

"Why not? He seems cool. Plus, he might have information about my species and the planet 1000 years ago.", Replied Finn.

"Alright but don't stray your hand too far from your sword (he has just his Finn sword in this fic)."

5 minutes later, Silas came back in a green camo T-shirt and khaki shorts. He also held a large plate of refreshments which included tea, iced tea, lemonade, wine, several sodas, a glass bowl of cookies and macarons and three wine glasses along with 3 tea cups. Silas placed the food and drinks on the coffee table and sat in a chair opposite of the couch.

"Please take a few cookies and pour yourself a beverage while I tell you why humans left Earth" said Silas.