By SSZee Media Posted on 7 Jul 201517 Oct 2015 Fall TV’s Mystery Crossover: Castle Joins S.H.I.E.L.D., Cookie Visits Gotham and More TVLine Reader Theories SSZee Media Provider of Quality Entertainment News and Information See author's posts Share this:FacebookTwitterTumblrLinkedInWhatsAppPinterestEmailSkypeTelegramRedditPocketPrintLike this:Like Loading... Related