Rough seas aren't the only issue in this episode, as the sun sets in Raglan the team have 15 minutes to find and rescue three struggling surfers before it's too dark.
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.