Still, as the CW's long-running drama came to a close, droves of fans began venting their disappointment even going so far as to compare the closer to Game of Thrones's widely-detested ending. As with any finale, some loved the episode and some hated it but the ones who hated this ending really hated it.

The top reason why Supernatural became worse after season 5 in particular is because of certain staff changes that occurred at this point. From the start, Eric Kripke was the creator and main showrunner of Supernatural. He gave the show its dark, grungy ambiance and horror-centric themes.