Television's most unlikely crime-fighting team is back and their relationship is stronger than ever in ABC Studios' Castle: The Complete Fourth Season. Prepare for a season full of suspense as Castle works to identify Beckett's shooter while Beckett struggles with the aftermath of her near-death encounter. All the while, the duo tackles a new batch of New York City's most interesting cases. Castle gets spooked while investigating the death of a ghost hunter, a sexy insurance investigator helps out when a valuable sculpture vanishes and Castle is taken hostage during a bank robbery. Meanwhile, the Triple X Killer returns to New York and the team must race against the clock when Castle and Beckett go missing.

Relive every misadventure with your favourite partners-in-crime with this 6-disc collection - complete with all 23 memorable episodes, plus exclusive bonus features only available on DVD. It's a must-have for every Castle fan!

Special Features:

• View "Rise" with Audio Commentary by Director/Executive Producer Rob Bowman and Actors Jon Huertas, Seamous Dever and Tamala Jones
• View "Cuffed" with Audio Commentary by Creator/Executive Producer/Writer Andrew W. Marlowe, Writer Terri Miller and Actors Nathan Fillion and Stana Katic
• View "The Blue Butterfly" with Audio Commentary by Writer Terence Paul Winter, Costume Designer Like Reichle and Actors Susan Sullivan, Tamala Jones and Molly Quinn
• Fillion and Friends: Castle Goes Radio - Making the Show
• Workjuice Commercial
• Sparks Nevada Marshall on Mars, Cactoid Jim King of the Martian Frontier
• Submerged: An In-depth Looks at Stunts
• Bowman, Bowman and Castle
• Deleted Scenes
• Bloopers