Greek Season 1 Episode 8 Separation Anxiety ( Air Date 2007-08-27 ) Genre Comedy, Drama category. Overview "Couples are coming together. Couples are splitting apart. There’s Casey and Ashleigh—best friends and sorority sisters since freshman year, now they’re on the outs. Lack of support—Casey for Ashleigh—is the issue. But someone’s waiting in the wings to show Ashleigh she can be a friend, and that someone is Rebecca.".