Hello, Cruel World

Hello, Cruel World is the second episode of Season 7.

Synopsis
Castiel continues to struggle with the burdens that come with his new-fangled power. The broken wall in Sam's head causes him to have hallucinations, and he has difficulty discerning what's real and what's not. Bobby worries that Dean is beginning to stumble under the weight of fighting Castiel and keeping an eye on Sam.

Major Characters

 * Sam Winchester
 * Dean Winchester
 * Leviathans
 * Bobby Singer
 * Lucifer

Minor Characters

 * Sheriff Jody Mills
 * Dr. Gaines
 * Edgar
 * Castiel

Continuity

 * The beginning of the episode picks up right where the premiere left off, with Castiel possessed by the Leviathans and starting to lose control.
 * Sam is still hallucinating Lucifer, who first appeared in the previous episode. Now, the hallucinations continue and escalate quickly.