Once Upon a Time “New York City Serenade” Season 3 episode 12 airs Sunday, March 9th, 2014 at 8pm on ABC. Synopsis: Once Upon a Time Season 3 Episode 12 “New York City Serenade” – After Rumplestiltskin sacrificed his life to stop Pan from enacting another curse, Regina obliterated her original curse, which erased Storybrooke