In this fanfiction, they might have an epic sparring session. Goku could pass on some of his old fighting techniques to Goku Jr.
Well, it could be about Goku Jr learning some of Goku's most powerful moves. Maybe Goku teaches him the Kamehameha. They might also go on an adventure together, like fighting a new and powerful enemy that neither could face alone.
There could also be a moment of self - discovery for both of them. Goku might see his past self in Kid Goku and realize how far he has come, while Kid Goku could get a glimpse of his future potential through meeting his adult self. They could share stories about their friends and enemies, like how Goku could talk about Vegeta and Frieza to Kid Goku, and Kid Goku could tell Goku about his early battles with the Red Ribbon Army.
Perhaps they would team up against a common enemy. In fanfiction, new threats are often created. They could combine their strength and unique techniques to defeat the bad guy.
Obviously, Goku and Goku Jr are the main characters.
In a fanfiction where Kid Goku meets Future Goku, one possibility is that Future Goku would be amazed at seeing his younger self. He might share some of the dark experiences he has had in the future, like the battles against powerful enemies and the losses. Kid Goku, being young and full of energy, could be inspired by Future Goku's strength and determination. Maybe he would start training even harder, eager to reach the level of his future self.
Maybe an old enemy of Goku's who has somehow managed to return. This enemy has heard about Goku Jr and figures that by attacking him, he can get revenge on Goku. This could be someone like Frieza who has found a new way to be resurrected and is more powerful than ever.
Well, in this fanfiction, Goku and Bulma might go on an adventure together. They could explore new planets or search for the Dragon Balls in a different way than in the original story.
Well, in such a fanfiction, Goku might be shocked to meet his mother Gine. He could learn a lot about his Saiyan heritage directly from her. Maybe she would teach him some long - lost Saiyan techniques.
A 'naruto meets goku fanfiction' could involve a lot of cultural exchange too. Naruto comes from a world of ninjas with complex village politics and a system of jutsu. Goku is from a world of martial arts and superhuman powers. They could share their knowledge and techniques. Maybe Naruto could teach Goku some stealth and infiltration skills, while Goku could show Naruto how to better control his inner energy for more powerful attacks. This exchange could lead to both of them becoming even stronger and more well - rounded fighters.
Well, Goku could teach Naruto some new ki - based techniques. Since Goku is a master of ki control in the Dragon Ball universe, he might show Naruto how to harness a similar kind of energy. Naruto, on the other hand, could introduce Goku to the world of ninjutsu. Maybe they would team up against a common enemy that combines the threats from both their worlds, like a super - powered ninja - saiyan hybrid villain.