Thanks to the addition of Worf, Season Four of Deep Space Nine is one of the series' most popular. This deluxe seven-disc set contains all 25 fourth-season episodes, including some of the series' most popular: "Rejoined," "Little Green Men," "Our Man Bashir," "Broken Link" and "The Way of the Warrior."

Special DVD features include behind-the-scenes interviews with producer Ira Steven Behr, writers Ronald D. Moore and Robert Hewitt Wolfe and cast members Avery Brooks, Terry Farrell and Susanna Thompson. Plus, Michael Dorn discusses his decision to join ST:DS9, "Michael Westmore's Aliens," and much more.