Episodes 1-4:

Scorpion, Part 2.

The Gift.

Day Of Honor.

Nemesis.

Episodes 5-8:

Revulsion.

The Raven.

Scientific Method.

Year of Hell, Part 1.

Episodes 9-12:

Year Of Hell, Part 2.

Random Thoughts.

Concerning Flight.

Mortal Coil.

Episodes 13-16:

Waking Moments.

Message In A Bottle.

Hunters.

Prey.

Episodes 17-20:

Retrospect.

The Killing Game, Part 1.

The Killing Game, Part 2.

Vis A Vis.

Episodes 21-24:

The Omega Directive.

Unforgettable.

Living Witness.

Demon.

Episodes 25-26:

One.

Hope And Fear.

Special Features:

• Braving The Unknown: Season 4. Time Capsule: Seven Of Nine. Time Capsule: Harr