Part of Amazon’s Blu-ray Deal of the Week is Underworld Trilogy on Blu-ray for only $24.99 (that’s 62% off the list price of $65.99).

The Blu-ray set contains all three films: Underworld, Underworld: Evolution, and Underworld: Rise of the Lycans, the first two which starred Kate Beckinsale in the role of the vampire Selene.

Note, this deal is valid all this week through Saturday, August 20, 2011 at midnight EST while supplies last.

From the product page:

Underworld
Director & Cast Commentary
Outtakes
Fang vs. Fiction
The Making of Underworld
The Visual Effects of Underworld
Creature Effects
Stunts
Designing Underworld
The Look of Underworld
Sights and Sounds of Underworld
Storyboard Comparison
Music Video by Finch – “Worms of the Earth”

Underworld Evolution
Director’s Commentary
Music Video: “Her Portrait in Black” by Atreyu
Original Featurette: Bloodlines: From Script To Screen
Original Featurette: Building a Saga
Original Featurette: Making Monsters Roar
Original Featurette: Music and Mayhem
Original Featurette: The Hybrid Theory
Original Featurette: The War Rages On
Director and Filmmakers’ Commentary
Bloodlines: From Script to Screen
The Hybrid Theory
Making Monsters Roar
The War Rages On
Building a Saga
Music and Mayhem
Music Video: “Her Portrait In Black” by Atreyu

Underworld Rise of the Lycans
Filmmaker Commentary
Cinechat
Behind the Castle Walls: Picture-in-Picture
Lycanthropes Around the World Interactive Map
Underworld: Rise of the Lycans: From Script to Screen
The Origin of the Feud
Music Video: “Deathclub” By William Control
PS3 Wallpaper