Continuity mistake: In the final scene with Father Bennett and Mouse, there is an unlit candle on right side of the 2nd step down as they descend the steps. In the next shot, it's suddenly lit, then unlit again in the following shot.
There But for the Grace of God, Go I - S2-E5
Continuity mistake: When Andrew is talking with Rose in the kitchen, both of their hands keep moving between shots. Either holding their mugs, or not.
There But for the Grace of God, Go I - S2-E5
Continuity mistake: When Father Keane is talking with Peter Morrow at the boat about Glen Wallis, he asks "Did she say why he did it?" and his arms are folded. In the shot immediately afterwards, his arms are no longer folded, only to return to folded in the following shot.
Continuity mistake: When Andrew and Ted are outside drinking beer, Andrew's beer bottle flips around in his hand between shots when he's sitting down.