Today marks the tenth anniversary of the debut of the prime time soap opera that spawned Seth Cohen, many indie-rock music careers, and "Welcome to the O.C., bitch!" — one of the best lines in any television pilot episode ever. But how well do you remember The O.C. a decade later? As part of our celebratory look back at the groundbreaking FOX program, which includes a long chat with series creator Josh Schwartz, we've put together a quiz of 50 questions to test your meta-melodrama recall.