This week’s Blu-ray releases are all about Harry Potter, Lost, and collections that include some classics from our favorite stars.

ABC’s hit show Lost arrives on Blu-ray in two versions today: Lost: The Complete Fifth Season and Lost: The Complete Seasons 1-5. I’ve never really gotten into this show, but these two releases are a great way for “Losties” to catch up before the start of “The Final Season,” which is coming in 2010.

For all you J. K. Rowling fans, Harry Potter and the Half-Blood Prince, Harry Potter and the Sorcerer’s Stone, Harry Potter and the Chamber of Secrets, and Harry Potter Years 1-6 Gift Set all hit shelves today. Should be enough Quidditch to carry you over for a while.

The Governator is back in The Arnold Schwarzenegger Collection, a three-disc set that consists of Commando, Predator, and The Terminator. Not to be out done, The Ben Stiller Collection features There’s Something About Mary, Night at the Museum, and DodgeBall.

Some other noteworthy collections are The Gene Hackman Collection (The French Connection/Hoosiers/Behind Enemy Lines), The Bruce Willis Collection (The Siege/Die Hard/Hart’s War), and The Denzel Washington Collection (The Siege/Man on Fire/Out of Time).

Click here to view our Top 10 Blu-ray releases for this week. (Synopses provided by Blu-ray.com)

Here are all of this week’s Blu-ray releases, courtesy of Blu-ray.com:

Harry Potter and the Half-Blood Prince
Public Enemies
Lost: The Complete Fifth Season
Julie & Julia
Harry Potter Years 1-6 Gift Set
Harry Potter and the Sorcerer’s Stone
Lost: The Complete Fifth Season Dharma Initiation Kit
Harry Potter and the Chamber of Secrets
George Michael: Live in London
UFC: Ultimate 100 Greatest Fights
Rush: R30
Pink: Funhouse Tour, Live in Australia
Jack Brooks: Monster Slayer
Behind the Mask: The Rise of Leslie Vernon
Lost: The Complete Seasons 1-5
Knut & Friends
While She Was Out
World’s Greatest Dad
The Alphabet Killer
Walled In
Cyclops
Red Mist
The Lost Treasure of the Grand Canyon
Sands of Oblivion
AC/DC: No Bull (Director’s Cut)
Coraline Gift Set
Lower Learning
Jay Johnson’s Boot Camp Fitness: Ultimate Abs
Jay Johnson’s Boot Camp Fitness: Ultimate Body Vol.
Jay Johnson’s Boot Camp Fitness: Ultimate 3x30
The Arnold Schwarzenegger Collection (Commando/Predator/The Terminator)
The Sean Connery Collection (Never Say Never Again/The League of Extraordinary Gentlemen/Entrapment)
Jay Johnson’s Boot Camp Fitness: Ultimate Cardio
Ultramarathon Man: 50 Marathons, 50 States, 50 Days
The Gene Hackman Collection (The French Connection/Hoosiers/Behind Enemy Lines)
The Bruce Willis Collection (The Siege/Die Hard/Hart’s War)
The Denzel Washington Collection (The Siege/Man on Fire/Out of Time)
The Keanu Reeves Collection (Street Kings/Point Break/Speed)
The Mark Wahlberg Collection (Max Payne/The Happening/Planet of the Apes)
The Ben Stiller Collection (There’s Something About Mary/Night at the Museum/DodgeBall)