One possible plot twist could be Sandor traveling back to his childhood and preventing the incident that scarred him. This would completely change his character arc and his relationship with his brother. He might become a more confident and less bitter person.
One possible plot twist could be that Narukaka travels back in time and accidentally changes a small event that has huge, unforeseen consequences in the future. For example, preventing a minor meeting between two people that was supposed to lead to a great discovery.
One possible plot twist could be that Naruto and Jiraiya travel back to a time when the Uchiha clan was at its peak. This would put Naruto in a position to potentially prevent the Uchiha massacre. He could use his knowledge of future events and his skills to change the course of history for the better. Jiraiya, on the other hand, could discover secrets about the Uchiha that were lost over time.
One of the most interesting plot twists could be when a character from the original 'The Godfather' story travels back in time and accidentally changes a major event that alters the whole family's future. For example, if Michael Corleone went back and prevented his father from being shot, it would completely change the power dynamics and the family's path in the mafia world.
One possible plot twist could be Naruto changing the past in a way that completely alters the future relationships. For example, if he prevents a certain event that led to a character's death, it could change the whole dynamic among the characters. Another twist could be that Naruto discovers that the past is not as simple as he thought, and there are hidden forces at work that he didn't know about in his original timeline.
Another common but still very interesting plot twist is when Revan travels to a time where the Jedi and Sith have reversed their roles. For example, in 'Time - The Revan Adventure', he finds that the Sith are the ones upholding peace and the Jedi are the ones causing chaos. It really makes you think about the nature of the two orders in a different way. Well, this kind of plot twist challenges the traditional understanding of the Star Wars universe and forces the reader to re - evaluate their ideas about good and evil in the context of the Jedi and Sith. It also adds a whole new layer of complexity to Revan's character as he has to navigate this topsy - turvy world.
One interesting plot twist could be a character traveling back in time and accidentally changing the events that led to the zombie apocalypse in Z Nation. For example, they might prevent a key scientific experiment from going wrong that initially started the spread of the virus. Another could be a character from the future coming back to the Z Nation timeline to retrieve an important artifact that is crucial for the survival of humanity in their own time. And a third plot twist might be a time - traveling character realizing that they are actually the cause of the future problems in Z Nation by their actions in the past.
One interesting plot twist could be that when they time travel, they end up in a world where the Uchiha clan was never massacred. Sasuke would have to face a completely different reality where his family is alive, but he also has to figure out how this new world affects the future. Another could be that they travel to a time when a great enemy from the past is still alive and they have to team up with their ancestors to defeat it.
He would probably encounter himself at different ages. Meeting his younger self could be a very intense and strange experience. He could try to give advice to his younger self, but his younger self might not be receptive.
Well, perhaps a really cool plot twist is that Naruto and Shizune time travel to a future version of the ninja world that is on the verge of destruction. They then have to figure out what went wrong in their own time to cause this and find a way to prevent it from happening. Or, they could travel back to a time when Orochimaru was still a good guy, but their presence somehow starts to corrupt him, leading to a whole new set of problems. Another idea is that they time travel and end up in the body of other characters, which is really strange and they have to adapt to these new identities while also trying to find a way back to their normal selves and their own time.
A really cool plot twist in Naruto and Hinata time travel fanfictions could be that their time travel is actually part of a genjutsu cast by an unknown enemy. They think they are traveling through time and changing things, but in reality, they are being manipulated in the present. Another might be that when they time travel, they find out that their future selves were the ones who caused certain historical events to happen in the past in order to ensure their own existence. This creates a sort of time - loop paradox that they have to solve.