What are some interesting plotlines in 'anakin goes back in time fanfiction'?

In some 'Vegeta goes back in time' fanfictions, Vegeta might go back to the time when the Saiyans were still under the rule of King Vegeta. He could try to change the Saiyan culture from being so war - like and brutal. He might introduce new ways of thinking and training that would not only make the Saiyans stronger but also more united. This could lead to a completely different future for the Saiyans, where they don't get wiped out by Frieza and instead become a more dominant force in the universe. He could also form different alliances with other races much earlier, which would change the power dynamics in the galaxy.

One interesting plotline could be Inuyasha going back in time and accidentally changing something small that has huge consequences for the future. For example, he might prevent a certain event that led to him meeting Kagome in the first place, and then has to find a new way to get back to his own time while also dealing with the changes he made.

One interesting plotline could be Natsu going back in time and accidentally changing something that has a huge impact on the future of Fairy Tail. For example, he might prevent a key member from joining the guild, and then he has to figure out how to fix it.

One interesting plotline could be Naruto using his future knowledge to prevent certain tragedies. For example, he might stop the death of his parents. He could also use his knowledge of jutsu to quickly become a much stronger ninja at a younger age and change the power dynamics in the village.

A third plotline could involve Hinata going back in time and having to deal with the consequences of changing the timeline. Her actions might create new problems or enemies. For instance, if she changes a major event, it could disrupt the balance of power among the ninja villages, leading to unforeseen conflicts that she then has to resolve.

One interesting plotline could be Snape going back and trying to prevent the death of Lily Potter. He might use his knowledge of the future to change certain events that led to her demise.

Well, in some fanfictions, they go back in time and accidentally interfere with the lives of their younger selves. This creates all sorts of chaos as they have to deal with the younger Sam and Dean's reactions to seeing their future selves. Or perhaps they go back to a crucial moment in the history of the hunter community and end up changing the rules and relationships within it. It could also be that they go back in time to a specific era like the Wild West and have to deal with supernatural threats that were prevalent during that time.

Another plotline could be that they go back in time to learn more about the founders of Hogwarts. The Golden Trio might seek out the four founders to understand the true meaning of Hogwarts and its values better. This could lead to them bringing back forgotten spells or ways of magic that were lost over time, which could be used to strengthen Hogwarts against future threats.

Well, in some 'Harry Potter goes back in time' fanfics, Harry might go back to his first year at Hogwarts. He could then use his more advanced magical skills (from his future experiences) to solve the mystery of the Philosopher's Stone in a completely different way. This might involve him befriending different people earlier or even changing the course of how the challenges in the dungeon were set up.

One interesting plotline could be Harry going back in time and preventing certain tragedies from happening in the wizarding world. For example, he might stop the death of his parents. Another could be him using his future knowledge to change the way Hogwarts is run, like improving the curriculum for Defense Against the Dark Arts.