In the small town of Nikolaevsk, meet a religious sect struggling to maintain their centuries-old traditions while surviving as commercial fishermen on Alaska's rough seas. The “Old Believers” once fled persecution from the mid-17th century Russian Orthodox church, eventually settling in places from China to Brazil to Alaska. Now, see how this unique community prepares for Lent while juggling the start of salmon fishing season, and plans to build a new church. (Source: National Geographic Channel)