Rick Goes on Walkabout (Episode 10, 'Home')
At the end of the previous episode, Rick hallucinated a vision of his dead wife, Lori, wearing a wedding dress, and he shrieked at her to get the hell out. Of course, because no one else could see this ghostly apparition, Tyrese and his gang assumed Rick was shouting at them, and they hightailed it to Woodbury. In episode 10, Rick spots the ghost of Lori wandering through the woods outside of the prison yard. Abandoning his leadership position and putting the security of his people in danger, Rick goes cavorting through the wilderness in search of visions of his dead wife. When Hershel begs him to return and demands to know what he's doing, Rick utters the immortal line "I've got . . . stuff out here," before finally confessing that he's seeing things that most likely don't exist. And yet he thinks there must be some sort of mystical message behind his hallucinations, and he needs to find an answer. We've got an answer for you, Sherriff – get your head right, dude.