If the early bird catches the worm, then consider The CW's job for the summer complete. The network announced the dates and times for its fall primetime schedule on Wednesday -- ahead of NBC, ABC, CBS and Fox -- meaning you have even more to add to the calendar. Gossip Girl returns to solve that Chuck Bass cliffhanger on Sept. 13 (preceded by the premiere of 90210); The Vampire Diaries begins season two on Sept. 9th (followed by the series premiere of Nikita); and America's Next Top Model unleashes more Tyra Banks on the unsuspecting public on Sept. 8. Commence 'tween girl yelping... now [Variety/On the Air]