Continuity mistake: At the beginning of the episode as Clarke is walking towards the window in the door, her right arm is already injured, but she doesn't actually get that injury until she breaks the window and reaches through the glass, which cuts her right arm.
The 100 (2014)
1 continuity mistake in The 48
Starring: Eliza Taylor, Paige Turco, Marie Avgeropoulos, Thomas McDonell
Continuity mistake: When Charlie is climbing down the cliff the rope comes undone from the tree stump, but a few seconds later you see it still tied to the stump. (00:12:00 - 00:12:45)
Remember Me - S2-E9
Kane: Peace with the grounders is the only way we'll survive.
Abby: Oh, I don't think they know what 'peace' is.
Kane: The Commander does.
Abby: She's a child. They're being led by a child.
Kane: So are we.