Hunteri Heroici

Hunteri Heroici is the eigth episode of Season 8.

Summary
CARTOONS AREN’T ALWAYS FUNNY — Castiel tells Sam and Dean that he’s decided to become a hunter like them. Sam and Dean aren’t sold on the idea but agree to investigate a case Cas found where a man’s heart literally burst through his chest. The guys discover there has been more than one odd murder in the small town, and all of them resemble cartoon deaths.