Continuity mistake: When Marshall first finds Trip's letter, he holds it from the left side. In the close-up, he's holding it from the right side. (00:02:10)
Continuity mistake: When Tabitha and Maggie are discussing the tiles, Tabitha's right hand is suddenly on Maggie's left shoulder as the scene cuts.
The Gloaming - S1-E6
Continuity mistake: When we first see the guy in the tunnel, he runs to the left in the first shot. The next time we see him, he runs to the right.