When Mary Margaret realizes that Arthur may be the real threat, she has to take matters into her own hands on Once Upon a Time. "The Broken Kingdom" is the fourth episode of the show's fifth season.
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.
