Mark your calendars, Castle fans! The much-hyped Season 5 premiere, entitled "After the Storm," will air on Monday, Sept. 24, 2012 at 10 p.m. ET on ABC. If Sept. 24 seems like a lifetime away, check out our spoiler roundup containing each and every Season 5 detail we know so far. What are you most looking forward to about the season premiere? Tell us in the comments below!