Supernatural

Sam, Dean and Castiel are left to defend the world after all the souls in Hell have been released and are now back on Earth and free to kill again.

Sam (JARED PADALECKI), Dean (JENSEN ACKLES) and Castiel are left to defend the world after all the souls in Hell have been released back on Earth.

Sam, Dean and Castiel call on Rowena to help keep the evil souls at bay, and get an unexpected assist from Ketch.

Sam, Dean and Castiel call on Rowena (RUTH CONNELL) to help keep the evil souls at bay, and get an unexpected assist from Ketch (DAVID HAYDN-JONES).

Together with Rowena, Sam and Dean work tirelessly to keep all of hell from breaking loose. Meanwhile, Castiel cannot forgive an arrogant betrayal.

Together with Rowena, Sam and Dean work tirelessly to keep all of hell from breaking loose. Meanwhile, Castiel cannot forgive an arrogant betrayal.

Sam and Dean investigate the mysterious death of a girl and the disappearance of another.

Sam and Dean investigate the mysterious death of a girl and the disappearance of another. Series star JENSEN ACKLES directed the episode.

Sam and Dean's routine case turns out to be anything bug. Recurring guest star RICHARD SPEIGHT, JR. directed the episode.

Sam and Dean's routine case turns out to be anything but.

While Castiel investigates the disappearance of a local teen, Sam and Dean are visited by an old friend.

While Castiel investigates the disappearance of a local teen, Sam and Dean are visited by an old friend.

Dean goes off on his own to take on a case. Meanwhile, Castiel has an idea of how he can help Sam track down God.

Dean goes off on his own to take on a case. Meanwhile, Castiel has an idea of how he can help Sam track down God.

Sam, Dean and Castiel's continued search for a way to defeat Chuck (ROB BENEDICT) leads them to unexpected places and toward unlikely allies.

Sam, Dean and Castiel's continued search for a way to defeat Chuck leads them to unexpected places and toward unlikely allies.

While Sam and Eileen (guest star SHOSHANNA STERN) face the brutal truth, Dean and Cas work together to get a step ahead of Chuck.

While Sam and Eileen face the brutal truth, Dean and Cas work together to get a step ahead of Chuck.

Sam and Dean hit the road to help an old friend, but it appears that their luck may have finally run out when they are the ones who may be in need of rescue.

Sam and Dean hit the road to help an old friend, but it appears that their luck may have finally run out when they are the ones who may be in need of rescue.

Sam and Dean press their luck in a winner-takes-all game of pool. Meanwhile, Castiel hunts down a would-be murderer, but not for reasons one might think.

Sam and Dean press their luck in a winner-takes-all game of pool. Meanwhile, Castiel hunts down a would-be murderer, but not for reasons one might think.

Sam and Dean respond to a frantic call and - together with Castiel, Jack and Sheriff Jody Mills - assist in an extraordinary and heartbreaking rescue. Then, Billie surprises everyone with a visit to the bunker.

Sam & Dean – along with Castiel, Jack & Jody Mills – assist in an extraordinary and heartbreaking rescue. Billie surprises everyone at the bunker.

A search for the one thing that may give them an edge against God leads Sam & Dean to Jo's (DANNEEL ACKLES) door and to a secret that may have died with Ruby (GENEVIEVE PADALECKI).