Good installment of Supernatural. I liked that they finally tied together the Lisa & Ben story line. They're reappearance this season was quite random and I'm sure wasn't loved by most fans.
Dean and Sam vs. Castiel and Crowley? In attempts to keep purgatory closed, Sam & Dean race to find out information on a writer who was known to have opened another dimension.
The cold opening was good, the final scene was heartbreaking but definitely needed, and the cliffhanger was okay. I guess this means that Castiel is one step ahead of the Winchesters.
Looking forward to what I hope is a great season six finale after a so-so season, here's hoping.