The CW has given early pickups to series for next season, of these five shows, Gossip Girl. The show will return in fall 2010 for season four. From the network:

Also given early pickups for next season are The CW’s Monday night sensation Gossip Girl, which is The CW’s number one show among its target demographic of women 18-34.

Other popular shows scheduled for return are Supernatural, 90210, America’s Next Top Model and new series The Vampire Diaries.

Source: ComingSoon.net