Eddie is sweating heavily during the train sketch, with beads of sweat running down his face.
The jacket Rachel Bell wears in the train sketch causes distortion patterns on screen.
The barge sketch with Wandering Walter is shot in a relatively small space, presumably in separate takes for all three principals involved. It's notable that some of the eyelines, while not quite breaking the 180 degree line rule, are a little off as to where they should be.