Star Trek: Enterprise: The Complete Fourth Season is a DVD boxset collecting all twenty-two episodes of season four of the UPN television series Star Trek: Enterprise. The Region 1 DVD set was released by Paramount Home Video on November 1st, 2005 with a retailer list price of $69.99 (US). The Region 1 edition was issued in a plastic snap-case while the Region 2 DVD was issues in a slimline packaging. The Region 2 DVD was released on October 31st, 2005. The Region 1 collection was re-issued on July 28th, 2008.
Audio commentaries for both parts of "In a Mirror, Darkly" and "Terra Prime". Writer Mike Sussman and startrek.com editorial director Tim Gaskill discuss both "Mirror" episodes and Gaskill and writers Judith and Garfield Reeves-Stevens discuss "Terra Prime".
Text commentaries by Michael and Denise Okuda are featured on "The Forge", "In a Mirror, Darkly (Part I)", and "These are the Voyages...".
There are three deleted scenes on this set, one for "Storm Front (Part 1)" (2:37 long), one for "The Aenar" (0:45 long), and one for "In a Mirror, Darkly (Part II)" (2:19 long).
Enterprise Moments: Season Four
Sixteen minutes devoted to developing Vulcan lore, bringing Brent Spiner on as a guest, launching the Federation, and concluding the series.
Inside the "Mirror" Episodes
A fifteen minute segment discussing the lack of crossover element to "Mirror", how William Shatner was considered for use, the story development, and building replicas of the TOS sets.
Five minutes from the final day of shooting focusing on extras and cameos.
That's a Wrap
Nine minutes from the wrap party for the series.
Visual Effects Magic
A thirteen minute segment discussing an alternate WWII for "Storm Front", motion capture for the Xindi, and the superweapon.