[s12e9] First Blood [ EXTENDED | SUMMARY ]

Supernatural Season 12, episode 9, "First Blood," follows Sam and Dean Winchester's high-stakes escape from a government black site after striking a dangerous bargain with the reaper Billie. The episode concludes with Castiel killing Billie to save the brothers, introducing significant "cosmic consequences" that impact the show's lore. Read a detailed breakdown of the episode on Reddit . "Supernatural" First Blood (TV Episode 2017) - IMDb