Continuity mistake: When Arnie and Sam are following "animal man"'s blue van on their bikes down the busy road the vehicles on the road around the van change between shots.
Continuity mistake: The final two episodes of this series are filmed in east Germany and are set in July. The snow on the ground comes and goes between scenes, plus why is it snowing in July?
Continuity mistake: When Arnie is outside "Animal man's" flat on his bike there is another boy on a bike riding to his right. The angle changes to the entrance to the flats then back to Arnie, and the boy on the bike has disappeared.