Watch Once Upon a Time Season 1 Episode 18 online via TV Fanatic with over 7 options to watch the Once Upon a Time S1E18 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, Netflix, YouTube Purchase, Google Play, and Verizon On Demand.
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Regina's mother, played by Barbara Hershey turns out to be the root of all evil while in Storybrooke, Emma scramble to try and clear Mary Margaret of murder on Once Upon a Time.