Episode 14 My Bloody Valentine

Castiel helps Sam and Dean hunt down Cupid (guest star Lex Medlin) on Valentine’s Day after townspeople start to kill each other for love. However, after Cupid tells them he’s innocent, they discover Famine (guest star James Otis), one of the Four Horsemen of the Apocalypse, has arrived in town.

Special Episode - The Final Break

Episode 22 - Killing Your Number

According to Michael's plan, Malone hands a fake Scylla to Christina. It's booby-trapped but ends up in the hands of FBI Agent, Chris Franco. Bagwell meets Sucre and C-note, but is caught while they hope that an offer of help is real. The General catches the brothers and raises the stakes with more kidnapped relatives. Michael manages to escape with Scylla. The gang must decide whether to believe an offer from Paul Kellerman, and hand it to UN representatives in exchange for full pardons.