Hardly ever is not never! Bones, Chuck, Castle and How I Met Your Mother are the other nominees in a vote allowing fans to choose which show gets the cover of the December 13 issue of TV Guide at http://www.tvinsider.com/coverpoll/.
Via the CW:
For those who are fans of Smallville and Supernatural, this is for you!
For the first time ever, TV Guide is letting the fans decide which show should be on their cover. Both Smallville and Supernatural have been nominated due to their incredible fans bases and we need you to vote now to help us win the December 13th cover! You can vote as often as you like so please take the time to vote now and tell a friend by sending them this postcard. You have been asking for this cover so let’s show them what a true fan base looks like!