Merlin Series 5 trailer Merlin Series 5 trailer arrives ahead of schedule, the series returns to BBC One HD in Autumn. By James Hoare 30-07-12 7,826 Share on Facebook Share via Twiter Share on Google Plus Add to your Stumbleupon Likes Share via Email https://www.youtube.com/watch?v=rb4Sp1hM6ic Related posts: No related posts. < PreviousNext > Related posts: No related posts.