There's also 'Time - Traveling Trio'. This story follows Harry, Ron, and Hermione as they accidentally travel back in time to the Marauders' era. They have to figure out how to get back to their own time while also not changing too much of the past. It has a great balance of adventure and humor.
A really cool one is 'Back to the Beginning'. In this fanfiction, Hermione uses a newly discovered time - traveling spell to go back to the very start of Hogwarts. It's filled with her trying to fix things while also dealing with the founders of Hogwarts. It's a long read but very engaging.
One great Harry Potter time travel fanfiction is 'All the Young Dudes'. It delves deep into the Marauders' era with time - travel elements. It has well - developed characters and an engaging plot that keeps you hooked. Another is 'The Time - Turner Trilogy' which plays around with the concept of time - turners in really interesting ways, exploring different timelines and how the characters' actions in one timeline can affect others.
One great 'Dark Harry Potter Time Travel' fanfiction is 'The Time - Twisted Heir'. In this story, Harry travels back in time and, influenced by some dark forces he encounters, he starts to question his previous beliefs. His actions take a more morally ambiguous turn, which makes for a really interesting read as it goes against the traditional image of Harry.
I also like 'A Second Chance at Life'. This fanfiction focuses on a character getting a chance to go back in time and correct their mistakes. It's a more emotional take on time travel in the Harry Potter universe. The author does a great job of exploring the character's feelings and how they deal with the knowledge of the future.
One great older Harry Potter time travel fanfiction is 'The Time - Turner Conundrum'. In this story, Harry accidentally travels back in time much further than he intended. It's full of interesting twists as he has to deal with a Hogwarts that's very different from what he knows, and he has to figure out how to get back to his own time without changing history too much.
There's a fanfic titled 'Through Time to Grindelwald'. In this one, a young wizard accidentally travels back in time and gets caught up in Grindelwald's schemes. It's a long and detailed story that delves deep into the politics and magic of that era. The author does a great job of portraying Grindelwald as a complex and menacing figure. It also shows how the actions in the past can have far - reaching consequences for the present in the Harry Potter world.
One great female Harry Potter time travel fanfiction is 'A Time to Remember'. It's a story where Hermione (as a female lead) travels back in time and has to deal with the events of the past while trying to keep her knowledge of the future a secret. It has some really interesting character interactions and a unique take on the time travel concept within the Potterverse.
One great Harry Potter founders time travel fanfiction is 'A Time to Remember'. It has an interesting plot where the main character travels back in time and meets the founders. The story is well - written, with detailed descriptions of Hogwarts in its early days.
A really popular Harry Potter time - travel fanfiction is 'The Time - Traveling Trio'. In this story, Harry, Hermione, and Ron are sent back in time for some unknown reason. They have to figure out how to get back to their own time while also dealing with the differences in the past. For example, they encounter younger versions of their professors and have to be careful not to reveal too much about the future. It's full of adventure and mystery, and the author does a great job of staying true to the characters' personalities.
One great 'Harry Potter' time travel fanfiction is 'All the Wrong Choices' which shows a really interesting take on how things could change if Harry made different decisions during his Hogwarts years. The power in this fic lies in its detailed exploration of the butterfly effect.
One great 'Harry Potter Marauders Time Travel Fanfiction' is 'All the Young Dudes'. It delves deep into the Marauders' era and the time - travel aspect adds an exciting twist. The characters are well - developed, and it really captures the essence of the original series.