Watch Once Upon a Time Season 5 Episode 4 online via TV Fanatic with over 7 options to watch the Once Upon a Time S5E4 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, Verizon On Demand, and Disney+.

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Episode Details

On Once Upon a Time Season 5 Episode 4, Mary Margaret must take matters into her own hands when she realizes Arthur may be the heroes’ biggest threat.

Rating: 4.4 / 5.0 (52 Votes)
Once Upon a Time
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Once Upon a Time Season 5 Episode 4 Quotes

Be careful. Love is a weapon, Deary. The most dangerous weapon of all which means the pain you should worry about isn't the kind inflicted by a broken sword but the kind that comes from a broken heart.


Hook: You can hide buried treasure or a winning poker hand but you cannot hide the bloom of first love.
Emma: Yes, he has a crush and he straight up lied to my face and I'm the Dark One.
Hook: You're his mother.
Emma: Which is scarier.
Hook: To him? That's up for debate.