The Curiosity Quest crew travels to Alaska to learn about salmon. During their visit, host Joel Greene interviews an Alaska Fish and Wildlife Specialist, who explains why Alaskan creeks are bursting with salmon. They also discuss why salmon travel thousands of miles to revisit the place they were born. Joel also visits a salmon hatchery and learns the role it plays in preserving the few species of salmon by protecting the newly hatched salmon eggs. Part of the Curiosity Quest Series.