The CW has announced their season finale schedule:
90210: Tuesday, May 18 @ 8 pm/ET
America’s Next Top Model: Wednesday, May 12 @ 8 pm/ET (two hours)
Gossip Girl: Monday, May 17 @ 9 pm/ET
One Tree Hill: Monday, May 17 @ 8 pm/ET
Smallville: Friday, May 14 @ 8 pm/ET
Supernatural: Thursday, May 13 @ 9 pm/ET
The Vampire Diaries: Thursday, May 13 @ 8 pm/ET
Credit: EW.com