The visual effects of the Rit Zien's kills became a memorable, albeit gruesome, highlight of the season.

Castiel’s journey highlights the dignity found in "lowly" work. His pride as a former Seraphim is replaced by a genuine desire to be a "good" human.

Critics praised Misha Collins’ performance, noting his ability to make the transition from a powerful warrior to a bumbling retail clerk both comedic and heartbreaking.