Doctor Who Season 20 Episode 3 Arc of Infinity (3) ( Air Date 1983-01-11 ) Genre Drama, Action & Adventure, Sci-Fi & Fantasy category. Overview "Something seemed amiss about the Doctor's execution, so the Castellan has Commander Maxil discreetly but fully look it. Meanwhile, as the Doctor meets the anti-matter being inside the Time Lord Matrix, Tegan and her cousin's friend run afoul of a bird-like alien back on Earth. ".
Doctor Who Season 20 Episode 3 Arc of Infinity (3)
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- Watch: Doctor Who Season 20 Episode 3 Arc of Infinity (3) on CWR-CRB
- Stars: Sylvester McCoy, Sophie Aldred
- Director: Oliver Elmes, Keff McCulloch, John Nathan-Turner, Ron Grainer
