The Expanse (Star Trek: Enterprise episode)
| "The Expanse" | |
|---|---|
| Star Trek: Enterprise episode | |
A crewman in Engineering during the Enterprise’s battle with the Klingons. | |
| Episode no. | Season 2 Episode 26 |
| Directed by | Allan Kroeker |
| Written by | Rick Berman Brannon Braga |
| Featured music | Dennis McCarthy |
| Production code | 226 |
| Original air date | May 21, 2003 |
| Guest appearances | |
| |
"The Expanse" is the fifty-second episode of Star Trek: Enterprise, the twenty-sixth episode and finale of the second season. The episode aired on UPN on May 21, 2003. The episode launched a change of direction for the series, starting with a cataclysmic attack on the Star Trek version of Earth and introducing a new alien foe, the Xindi.
This episode set the foundation for the season-spanning Xindi story arc, encompassing all of Season Three and the first three episodes of Season Four. The story line continues in the Season Three opening episode, "The Xindi".