"What Happens In Vegas" -- Cameron Diaz is a jilted Wall Streeter. Ashton Kutcher's an out-of-work carpenter. The two get hitched on a drunken whim in Las Vegas then go to extremes to scheme each other out of the $3 million jackpot they won. The movie comes in a single-disc DVD with the theatrical version or two-disc DVD and Blu-ray high-definition sets with an extended cut. The two-disc DVD and Blu-ray releases also pack a chat with Diaz and Kutcher, behind-the-scenes segments, commentary with director Tom Vaughan and a digital copy of the movie for portable video players. The Blu-ray set includes deleted and extended scenes, as well. "Tim Burton's The Nightmare Before Christmas" -- Returning to DVD and making its Blu-ray debut is the filmmaker's first stop-motion animated feature, starring anti-hero Jack Skellington, the king of Halloween who decides to expand his empire and take over Christmas. Highlighting the extras is Burton's early short film, the horror comedy "Frankenweenie," about a pet dog killed by a car and brought back to life Frankenstein-style by his mourning owner. Also included is commentary with producer Burton, director Henry Selick and musical collaborator Danny Elfman, deleted scenes, a digital copy of the movie and a Burton poem read by Christopher Lee. The Blu-ray release also features an introduction from Burton. "The Little Mermaid: Ariel's Beginning" -- One of Disney's biggest animated hits gets a straight-to-DVD prequel that floats an adventure in the early days of the underwater heroine. Jodi Benson reprises her big-screen role as the voice of mermaid Ariel, and Samuel E. Wright returns as mouthpiece for her best buddy, Sebastian the crab. The new flick casts them into an adventure to restore song and dance to her sea kingdom, where music has been banned. The DVD features deleted scenes, a segment on "mermaid choreography" and a backstage look at the Broadway musical version of "The Little Mermaid." "Redbelt" -- David Mamet writes and directs this tale of an honorable martial-arts instructor (Chiwetel Ejiofor) forced by financial circumstance into the corrupt world of tournament fighting. Tim Allen, Joe Mantegna and Emily Mortimer co-star. Extras include commentary with Mamet. "Where in the World Is Osama Bin Laden?" -- Morgan Spurlock follows up his fast-food documentary "Super Size Me" with his own search through the Middle East to find the guy at the top of the U.S. most-wanted list. The DVD includes an alternate ending and extra interviews. "The Three Stooges Collection: Volume Three -- 1940-1942" -- Curly, Larry and Moe bring their slapstick into a new decade with this third chronological installment of their comedies. The two-disc set packs 23 short films, including their Hitler spoofs "You Nazty Spy" and "I'll Never Heil Again." TV on DVD: