Look at Life captured almost every aspect of British society and culture, but its producers had a special fascination for one aspect in particular - our inordinate fondness for boats. This episode examines the films that documented a period that saw a raft of British sailors seeking endurance world records; boatmen and women striving to halt the decline of our rivers and canals; and high tension on the high seas, as disputes over fishing rights prompted the government to send gunboats to escort our trawlers.