The second season of the ABC television series Once Upon a Time was announced on May 10, 2012. It premiered on September 30, 2012 and concluded on May 12, 2013. This season follows the introduction of magic by Rumplestiltskin/Mr. Gold into Storybrooke, leaving the fate of both the real world and the Fairytale Land that was, intertwined, resulting in new threats emerging.
The season premiere was watched by 11.36 million viewers, achieving an adult 18-49 rating/share of 3.9/10.0. These numbers sunk to a series low of 7.08 million viewers in February 2013, but remained stable above 7 million throughout the remainder of the season with a season finale viewership of 7.33 million and a 2.3/7 adult 18-49 rating/share.