You can pick up the Arrow Season 4 Blu-Ray through Amazon.
Arrow stars Stephen Amell (Private Practice), Katie Cassidy (Gossip Girl, Melrose Place), David Ramsey (Blue Bloods, Dexter), Willa Holland (The O.C.) and Emily Bett Rickards (Brooklyn), with John Barrowman (Desperate Housewives, Doctor Who), and Paul Blackthorne (The River). Based on the characters from DC Comics, Arrow is produced by Bonanza Productions Inc. in association with Berlanti Productions and Warner Bros. Television, with executive producers Greg Berlanti (The Flash, Supergirl, Blindspot), Marc Guggenheim (Eli Stone), Andrew Kreisberg (The Flash, Supergirl), Wendy Mericle (Desperate Housewives) and Sarah Schechter (The Flash, Supergirl).
SPECIAL FEATURES
• Star Crossed Hawks featurette
• Star Crossed Hawks: The Hunt for Vandal Savage featurette
• Smooth Criminal: The Damien Darhk Story featurette
• Arrow: 2015 Comic-Con Panel
• Deleted Scenes
• Gag Reel