A large number of isekai anime have been either ignored or completely forgotten by fans over the years and are hidden gems ...

The fantasy genre has been rinsed and repeated so many times, especially within the medium of anime. Almost every trashy isekai is set in a medieval fantasy world, with a mildly interesting magic ...

From classics to modern standouts, these are the best isekai anime of all time—ranked by impact, staying power, and relevance in 2025.