Continuity mistake: When Tony and Bob are trapped at the bottom of the mine, Bob is trying to free himself from the plank of wood resting on him and you can see there is a square pole on the plank. The pole changes position between shots.
Continuity mistake: When Bob and Tony are trapped in the bottom of the tin mine, Bob is seen sitting down with both his hands on a plank of wood, but in the next shot he has only one hand on the wood.
Continuity mistake: When Tony is trapped on the cliff edge at the beginning of the episode, he reaches for his bag which can be seen standing up, but in the shots when we see his hand trying to grab the handle, the bag is lying down.
Continuity mistake: When the Hood becomes entangled in the branches in the ravine at the end of the episode, the branches break and he falls into the river below, but when he falls, the branches have disappeared.
Continuity mistake: When Scott first approaches the boys after the 'rescue', his sidearm can be seen to be missing the usual red barrel covering.
Continuity mistake: The characters all refer to Williams's station as Dunsley Tracker, but in a close-up of the console, the caption above the alert light reads 'Densley Tracker'.