These Are the Voyages...
Star Trek: Enterprise: Season 4, Episode 22
Archer and the crew return to Earth to face the decommissioning of the Enterprise and the signing of the Federation charter, ratifying the newly formed alliance of planets, which they helped forge.
Show: Star Trek: Enterprise
Air date: May 13, 2005
Writers: Rick Berman and Brannon Braga
Directed by: Allan Kroeker
Episode no: Season 4; Episode 22