What are some interesting plot ideas in the Time Turner fanfiction?

One idea could be that Hermione accidentally travels too far back in time with the Time - Turner and ends up in Severus' student days. She has to navigate Hogwarts without being detected while also trying to figure out how to get back. And Severus stumbles upon her and at first is suspicious but then realizes she's from the future and they start to work together to fix the time - line.

One idea could be Snape using the Time - Turner to go back and change a crucial moment in his relationship with Lily. Maybe he tries to prevent her from getting involved with James Potter. Another plot could involve Snape using it to gain an edge in his spying for Dumbledore during the First Wizarding War. He could go back in time to gather more information about Voldemort's early plans.

One idea could be that Hermione, using the Time - Turner, accidentally goes back to a time when Lucius was a young Death Eater in training. She tries to subtly change his path, which leads to a series of events where they form an unlikely alliance. They might start to understand each other's motives and values more deeply.

One idea could be that Timmy discovers Vicky has a secret soft side when she helps him with a school project. Another could be a time - travel plot where they end up in an alternate dimension and have to work together to get back home.

In some fanfiction, a plot twist could be that the Order of the Phoenix discovers that the Time - Turner was actually a trap set by Voldemort all along. He knew that someone from the Order would eventually find it and try to use it to their advantage. But when they do, it activates a dark magic spell that starts to slowly destroy the Order from within. So the members of the Order not only have to deal with Voldemort's external threats but also this internal danger caused by the Time - Turner.

There might be a time turner fanfiction where a student misuses the time turner and gets stuck in a time loop. They keep repeating the same day over and over, and have to figure out how to break the loop by solving a mystery within the day. It could involve finding a hidden spell or object.

One idea could be that Timmy accidentally uses a fairy wish to make Vicky's family see how mean she is to him. Then they force her to be nice, and through this process, Timmy starts to understand Vicky's own family pressures. So, they form an unlikely alliance to deal with family expectations.

One idea could be that as a girl, Timmy experiences the world from a different perspective. For example, he might have to deal with the way girls are treated in school, like different expectations in sports or academics. Maybe he discovers that girls have a different kind of friendship dynamic and has to navigate that. Another plot could be that he has to find a way to turn back into a boy and in the process, learns a lot about himself and the differences between the two genders.

One idea could be that Timmy and Chloe discover a magical lemon grove that has the power to grant wishes in a different way than their fairies. They have to work together to protect the grove from an evil lemon - stealing villain. Another could be a story where they both get zapped into a lemon - themed alternate dimension and have to find their way back home while facing various citrus - based challenges.

In some fanfiction, the Time - Turner dust could be used as a key ingredient in a powerful time - traveling spell. A dark wizard could be after the dust to create a spell that would allow him to go back and change the balance of power in the wizarding world. The main characters would then have to protect the remaining Time - Turner dust and stop the dark wizard's plan.