'Vampire Diaries' and 'Secret Circle' get vicious: Win swag from your fave shows!

After a long break, "The Vampire Diaries" and "The Secret Circle" return on Thursday, March 16 with some seriously sexy episodes. As you can see from the "vicious" promo video above, they're turning up the heat in Mystic Falls and Chance Harbor -- and you won't want to miss a minute.

To celebrate the returns of two of our fave fantasy series, we've got some swag to give away! To win, make sure you're following @cadlymack and @Zap2it on Twitter.

Then, tweet or retweet anything with the hashtag #CWThursdaysAre2Die4 -- or you can just RT our tweet here -- and you'll be entered to win a "Vampire Diaries" sweatshirt and a "Secret Circle" crystal, straight from The CW.

We'll randomly choose 5 winners on Friday morning at 9 AM PST. You'll have to be in the U.S. to win!