Britain’s Biggest Warship – Documentary Series – S2, Ep1 – Let Go All Lines January 11, 2021 Nicola Britain's Biggest Warship - Documentary Series (2018), Documentary Series, United Kingdom History Let Go All Lines The beginning of a make-or-break four-month deployment on the high seas. Nearly 1500 crew set off on their first transatlantic crossing aiming to forge the new ship’s company into an effective fighting force.