The Solomon's experience their first Thanksgiving on Earth which leads to problems with misunderstandings about various aspects of the Holiday. Harry end up in a romantic situation while Tommy gets upset.
A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.