Features: deleted scenes, A new beginning, audio commentaries with cast and crew, Takezo Kensei : sword saint, The Drucker files, Genetics of a scene, season 3 sneak peek, "Generations" alternate ending, Inside the alternate ending of "Generations," Untold stories, NBC.com featurettes, Tim Sale gallery of screen art.
Content Note
disc 1. Four months later ; Lizards ; Kindred -- disc 2. The kindness of strangers ; Fight or flight ; The line -- disc 3. Out of time ; Four months ago ; Cautionary tales -- disc 4. Truth & consequences ; Powerless.