After a wild second season that strained the bounds of believability for some viewers, "Homeland" is refocusing on its characters at the beginning of its third season, which picks up with the CIA and the country as a whole reeling after the bombing that ended season two. Showtime has put last night's season premiere, "Tin Man Is Down," online in full -- you can watch the episode, which focuses on a fragile Carrie (Claire Danes) and a weary Saul (Mandy Patinkin), below: