How Old Is Aang in the ‘Avatar Aang’ Movie, and When Do Aang and Katara Have Kids?

By Anna Menta Published July 24, 2026, 5:00 p.m. ET “How old is Aang?” is a question that has plagued shippers, fan fiction writers, and fan artist in the Avatar: The Last Airbender fandom for years. So naturally, now that Aang and his pals are adults in the new movie, Avatar Aang: The Last Airbender—which will begin streaming on Paramount+ tomorrow—fans have the same query. The Avatar Aang movie is directed by Lauren Montgomery, and written by Tim Hedrick and Christopher Yost, from a story by ATLA co-creators Bryan Konietzko, Michael Dante DiMartino, as well as Hedrick, and Kenneth Lin. The story follows a now-adult Aang (voiced by Eric Nam), who discovers a new-new Airbender frozen in ice named Tagah (voiced by Dave Bautista). Tagah reveals there is a way to bring back all the Air Nomads