| American Experience | |
|---|---|
| Season 21 | |
| No. of episodes | 9 |
| Release | |
| Original network | PBS |
| Original release | January 26 – May 11, 2009 |
| Season chronology | |
Season twenty-one of the television program American Experience originally aired on the PBS network in the United States on January 26, 2009 and concluded on May 11, 2009. The season contained nine new episodes and began with the film The Trials of J. Robert Oppenheimer.