These are the emotional words of 9/11 survivors, people who would not have made it through without the help of others. National Geographic's "9/11 Reunited" tells their stories. "9/11 Reunited" premieres August 21 on National Geographic and streams the next day on Disney+ and Hulu. It'll stream the next day on Disney+ and Hulu and re-air on September 11 on ABC, ABC News Live, Disney+ and Hulu. It'll be live across ABC, Disney+, Hulu, National Geographic, ABC Owned Television Stations livestreams and ABC News Live.