An introduction to the terrorist attacks in the United States on September 11, 2001 presented for a young audience.
You can now watch What Happened on September 11 online on the following streaming providers in the United States.
| Sound | Ken Hahn | Supervising Sound Editor |
| Camera | Nick Hernandez | Assistant Camera |
| Directing | Amy Schatz | Director |
| Production | Sascha Weiss | Producer |
| Sound | Kurt Cruz | Sound Editor |
| Production | Jeffrey Dye | Associate Producer |
| Sound | Keith Kenniff | Music |
| Production | Amy Schatz | Producer |
| Crew | Rob Forlenza | Post Production Supervisor |
| Production | Emily Quinn | Production Assistant |
| Production | Katy Garfield | Producer |
| Sound | Tony Pipitone | Sound Editor |
| Production | Alexandra Pitz | Producer |
| Editing | Tom Patterson | Editor |
| Crew | Makaleh Smith | Intern |
| Camera | Alex Rappoport | Director of Photography |