screenrant.com -BY ROSE MOORE - Monster hunting, vampire killing - why did Buffy and 수퍼내츄럴 never have a shared-universe special, and should it have happened?
screenrant.com - 의해 RHYS MCGINLEY -Castiel's 사랑 for Dean and the Winchesters often results in him saving his life, but Cas betrays Dean a fair bit too throughout Supernatural.