Watch A 21-Minute Behind-The-Scenes Preview Of Gotham

We're less than a month away from the September 22nd premiere of Gotham, the Batman-prequel that will explore the origin stories of some of the DC Universe's most iconic supervillains and vigilantes. To mark the show's impending arrival, Fox has released a 21-minute preview of the show titled "The Legend Reborn."

The preview features a lot of behind-the-scenes footage, and our first real look at episodes beyond the pilot. Here it is, in four parts:

[Fox via Bleeding Cool]