The original Pokmon anime starring Ash Ketchum came to an end in 2023, with Ash walking off into the metaphorical sunset, ready for the next adventure. Many fans didn’t particularly enjoy this open, “the adventure continues”-style ending for the beloved character, but the truth is there really was no other way for the series to end if it wanted to stay true to its themes.
https://screenrant.com/ash-pokemon-ending-secretly-genius-symbolize-franchise/