How will the Winchester brothers deal with the rising of Lucifer?

SYMPATHY FOR THE DEVIL - SEASON 5, EPISODE 1

Picking up where last season’s finale left off, Dean and Sam watch as the Devil emerges from Hell. In the fifth season premiere, the Winchester brothers and Bobby (series star JIM BEAVER) must deal with the aftermath of Lucifer rising and the stunning news from Chuck the Prophet  that Castiel  was blown to bits by the archangels.

GOOD GOD YA'LL - SEASON 5, EPISODE 2

Castiel tells Sam and Dean that he is going to search for God – who will be able to defeat Lucifer. Bobby’s old hunter friend, Rufus is panicked about demons attacking his town, and begs Bobby for help.  Sam and Dean arrive at the town and realize there is a spell over the townspeople, making them hallucinate that they are demons and causing them to kill one another.