| 24 | |
|---|---|
| Season 1 | |
 Promotional poster | |
| Starring | |
| No. of episodes | 24 |
| Release | |
| Original network | Fox |
| Original release | November 6, 2001 – May 21, 2002 |
| Season chronology | |
The first season of the American drama television series 24, also known as Day 1, was first broadcast from November 6, 2001, to May 21, 2002, on Fox. The season's storyline starts at midnight and ends at the following midnight on the day of the California presidential primary.