Directed and produced by Amy Schatz, What Happened on September 11 is an HBO Family documentary introducing the events of 9-11 to a young audience. #HBO #HBODocs #Sept11Doc Subscribe to HBO on YouTube: https://goo.gl/wtFYd7 Don’t have HBO? Order Now: https://itsh.bo/GetHBONow Get More HBO: Get HBO GO: https://play.hbogo.com Like on Facebook: https://www.facebook.com/hbodocs Follow on Twitter: https://twitter.com/HBODocs Like on Instagram: https://www.instagram.com/hbo Official Site: http://www.hbo.com/documentaries What Happened on September 11 (2019): Official Trailer | HBO