Bagger, bombs & boobs

Bob is a stereotype of a construction worker. He's not particularly hard-working and his thoughts are only on food and women. His hard-working boss, the site manager, doesn't like that at all. While working with his excavator, Bob comes across an old bomb. When he tries to retrieve it, there is an explosion and Bob inexplicably gets into the hostile time of the Nazi regime, somehow just tries to get back to today and has to survive a lot...