Watch Once Upon a Time Online: Season 5 Episode 4

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Just as David is given a seat of honor at the round table, Lancelot warns Mary Margaret that King Arthur can't be trusted on Once Upon a Time Season 5 Episode 4.

Who is right is a question that throws Prince Charming and Snow White into a heated argument about how to best help their daughter. 

Elsewhere, Hook does his best to get Emma away from the voices of the Dark One plaguing her head and the two run away to have a romantic interlude.

You won't want to miss any of the magic. You can watch Once Upon a Time online here at TV Fanatic. 

C. Orlando was a TV Fanatic Staff Writer. Follow her on Twitter.

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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.

Rumplestiltskin

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.