Ep 1. Sympathy for the Devil

In the season 5 premiere of Supernatural, titled "Sympathy for the Devil," Sam and Dean Winchester are dealing with the aftermath of the apocalypse. Lucifer has been released from his prison and is now walking the Earth in a human vessel, Castiel has been killed and resurrected by the archangel Raphael, and Bobby is paralyzed from an attack by a demon.

As the episode begins, Sam and Dean are on the hunt for the Four Horsemen of the Apocalypse, who are wreaking havoc across the globe and causing widespread destruction. Meanwhile, Lucifer is trying to recruit Sam to be his vessel so that he can bring about the end of the world.

The episode is fast-paced and action-packed, with the Winchesters facing off against the Horsemen and dealing with the moral dilemma of whether or not they should say yes to Lucifer and give in to his plan for the apocalypse. The character relationships are also explored in depth, as Sam struggles with his decision and Dean tries to hold everything together in the face of immense pressure.

"Sympathy for the Devil" sets the stage for the rest of season 5, which is widely regarded as one of the best seasons of Supernatural. The stakes are high, the action is intense, and the characters are forced to make difficult choices that will impact the course of the series. Fans of the show will not be disappointed by this thrilling episode.