Doctor Who, Season 20, Arc of Infinity Episode guide

  1. Part 4

    4/4 Omega has been reborn but as a walking anti-matter bomb.

    First broadcast: 12 Jan 1983

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  2. Part 3

    3/4 Within the Matrix, the Doctor unmasks Omega and realises the threat is far from over...

    First broadcast: 11 Jan 1983

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  3. Part 2

    2/4 Commander Maxil doesn't believe the Doctor is innocent.

    First broadcast: 05 Jan 1983

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  4. Part 1

    1/4 The Doctor and Nyssa trace something odd to Amsterdam…

    First broadcast: 03 Jan 1983

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