Stargate SG-1: The Complete Fourth Season

Stargate SG-1: The Complete Fourth Season is a DVD boxset for the fourth season of Stargate SG-1.

Volume 1

 * Featured episodes: "Small Victories", "The Other Side", "Upgrades", "Crossroads"
 * Audio commentaries:
 * "Small Victories" by Martin Wood, Jim Menard and James Tichenor
 * "The Other Side" by Peter DeLuise and James Tichenor
 * "Upgrades" by Martin Wood, Jim Menard and James Tichenor
 * "Crossroads" by Peter DeLuise and James Tichenor
 * Featurettes:
 * Secret Files Of The SGC: Enhanced Visual Effects

Volume 2

 * Featured episodes: "Divide and Conquer", "Window of Opportunity", "Watergate", "The First Ones"
 * Audio commentaries:
 * "Divide and Conquer" by Martin Wood, Jim Menard and James Tichenor
 * "Window of Opportunity" by Peter DeLuise and James Tichenor
 * "Watergate" by Martin Wood, Jim Menard and James Tichenor
 * "The First Ones" by Peter DeLuise
 * Featurettes:
 * Secret Files Of The SGC: Alien Species - Friend & Foe

Volume 3

 * Featured episodes: "Scorched Earth", "Beneath the Surface", "Point of No Return", "Tangent", "The Curse"
 * Audio commentaries:
 * "Scorched Earth" by Martin Wood, Jim Menard and James Tichenor
 * "Beneath the Surface" by Peter DeLuise and James Tichenor
 * "Point of No Return" by William Gereghty, Jim Menard, Joseph Mallozzi and Paul Mullie
 * "Tangent" by Peter DeLuise and James Tichenor
 * "The Curse" by Andy Mikita, James Tichenor and Peter F. Woeste

Volume 4

 * Featured episodes: "The Serpent's Venom", "Chain Reaction", "2010", "Absolute Power", "The Light"
 * Audio commentaries:
 * "The Serpent's Venom" by Martin Wood, Jim Menard and James Tichenor
 * "Chain Reaction" by Martin Wood, Jim Menard and James Tichenor
 * "2010" by Andy Mikita, Peter F. Woeste and James Tichenor
 * "Absolute Power" by Peter DeLuise and Robert C. Cooper
 * "The Light" by Andy Mikita, Peter F. Woeste and James Tichenor

Volume 5

 * Featured episodes: "Prodigy", "Entity", "Double Jeopardy", "Exodus"
 * Audio commentaries:
 * "Prodigy" by Peter DeLuise, Peter F. Woeste and James Tichenor
 * "Entity" by Andy Lee and James Tichenor
 * "Double Jeopardy" by Michael Shanks and James Tichenor
 * "Exodus" by Joseph Mallozzi, Jim Menard and James Tichenor
 * Featurettes:
 * Stargate SG-1: Timeline to the Future - Legacy of the Gate

Region 2 volume releases
Region 2 not only releases the boxset, but they release a volume periodically before the complete boxset is released. In region 2, six volumes are released, with four episodes in each disc, apart from the final, where it contains the final two episodes.
 * Volume 14: September 3, 2001
 * Volume 15: September 23, 2001
 * Volume 16: October 29, 2001
 * Volume 17: November 26, 2001
 * Volume 18: December 3, 2001
 * Volume 19: January 28, 2002