Season 3 Episode 7 Ghost World 'The Vampire Diaries' Season 3 Episode 7 "Ghost World" CTV Promo 10.21.2011. @ 20:37 NatashaFine Thanks to an awesome Youtuber I can share the CTV promo for Halloween episode, "Ghost World". There's a lot of new spoilery footage to raise your pulse. Sound off below with your thoughts on this dramatically different promo!!