Visible crew/equipment: In the episode when Bruce is working in the arcade, when the two old men drive off to kill the man in the other car, the entire cast and crew, as well as the camera and camera man are reflected in the car.
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Updates: 
Series 2
Across whole show
Revealing: In the episode "Prometheis", when the Prometheis group is viewing the video of the Hulk destroying the helicopter, it is obvious the footage used is the same from when we see the Hulk destroying the helicopter. The video uses camera angles exactly like those used when the explosion actually occurs, and camera angles not avalible to the other helicopters.
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