History · Documentary

9/11 One Day in America: all seasons, episodes and where to watch

National Geographic history and documentary series (2021–2021), 1 season.

Season complete Cable Listings updated October 7, 2026 Listings

Quick answer · Season 1

9/11 One Day in America is a history and documentary series that aired on National Geographic, running from 2021 with 1 season and 6 episodes. 9/11 One Day in America has ended. Its final episode aired on September 1, 2021.

U.S. premiere: August 29, 2021
Where: Cable
Time: Varies by station
Episodes: 6
Finale: September 1, 2021

Where to watch 9/11 One Day in America season 1 in the U.S.

Where to watch 9/11 One Day in America season 1 in the U.S.
Where	How	When	Notes
Cable	Broadcast (free)Antenna / cable	August 29, 2021 – September 1, 2021	Original U.S. run on National Geographic. [1]

Season 1 episode schedule

9/11 One Day in America season 1 U.S. episode schedule
Ep.	Title	U.S. date	Time	Status
1	First Response	Sun, Aug 29, 2021 ^[1]	Check local listings national slot	Listed
2	The South Tower	Mon, Aug 30, 2021 ^[1]	Check local listings national slot	Listed
3	Collapse	Mon, Aug 30, 2021 ^[1]	Check local listings national slot	Listed
4	The Cloud	Tue, Aug 31, 2021 ^[1]	Check local listings national slot	Listed
5	I'm Coming for You, Brother	Tue, Aug 31, 2021 ^[1]	Check local listings national slot	Listed
6	It's All Gone, Kid	Wed, Sep 1, 2021 ^[1]	Check local listings national slot	Listed

Dates are U.S. dates. Broadcast times are the network's national slot; your local station may differ.

About 9/11 One Day in America

Season 1: Season 1 of 9/11 One Day in America aired from August 29, 2021 to September 1, 2021 on National Geographic (6 episodes).

Network / service: National Geographic (first aired August 29, 2021)

Common questions

How many seasons of 9/11 One Day in America are there?

9/11 One Day in America has 1 season and 6 episodes listed, airing from August 29, 2021 to September 1, 2021.

Is 9/11 One Day in America cancelled or ended?

9/11 One Day in America has ended. Its final episode aired on September 1, 2021.

Where can I watch 9/11 One Day in America?

9/11 One Day in America originally aired on National Geographic in the U.S. Streaming rights for older seasons change over time, so check National Geographic's own app and the major streaming services for the current home.