SAGA

Bletchley / Atlantic · World War II

Ultra

A war won in huts, with pencils, and a secret that has to hold.

Polish mathematicians crack the first doors. Bletchley Park industrializes the rest. Convoys live or die by whether a hut can read a key before dawn.

PG-13 · 1939–1945 · 3 episodes · conspiracy

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Episodes

  1. Episode 1 · 16 min · 1932–1939

    The Polish Door

    Before Bletchley is famous, Warsaw is first.

  2. Episode 2 · 18 min · 1941

    Hut 8

    The Atlantic is a spreadsheet of sinkings. A bomb machine tries to change the arithmetic.

  3. Episode 3 · 15 min · 1944

    Colossus

    A different German cipher meets a machine that is not quite a computer, and not quite not.