TV Hangeul Heroes A.I.YA Hangeul Heroes A.I.YA /10 by 0 users Two children summon the brave protectors of Hangeul to find the right letters of the Korean alphabet to input into their magic vending machine. Details Casts Posters Images Title Hangeul Heroes A.I.YA Alternative Titles First Air Date 2021-04-28 Last Air Date 2024-05-28 Number of Episodes 309 Number of Seasons 1 Genres Kids, Networks EBS 1, Casts Oh Eun-sol, Hayoung Jung, No Yuna, Ahn Suk-hwan, Lee Min-jae Plot Keywords , 오은솔 Oh Eun-sol 정하영 Hayoung Jung 노유나 No Yuna Ahn Suk-hwan Lee Min-jae