Free Season of Vampire Diaries on iTunes
I’m not sure how long it will last, if it’s a glitch or what, but Vampire Diaries: Season 1 is currently free on iTunes:
Apple – Download music and more with iTunes. Play it all on iPod.
iTunes Store
There is also a facebook promotion going on to get the season premiers of four different shows for free (One Tree Hill, Supernatural, Vampire Diaries, The Lake):
iTunes | Facebook
You may have to join the page, then the link is their first post on the announcement board.