With just hours remaining until Gravity arrives in theaters for 10 PM and midnight screenings nationwide, Warner Bros. has released another featurette with the cast and crew. Sandra Bullock explains why her character, Dr. Ryan Stone, came on this outer space mission, with George Clooney revealing that he was happy to take on a smaller, supporting role. Director/co-writer Alfonso Cuarón and writer Jonás Cuarón talk about how they crafted the story, and much more in this four-minute behind-the-scenes video.