Vengeance on Varos: Part Two
Doctor Who: Season 22, Episode 4
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As Peri and Areta begin to transform into a bird and a reptile, the Doctor faces Sil, who has negotiated mining rights on Varos, depriving the Time Lord of what he needs.
Show: Doctor Who
Writer: Philip Martin
Season number: 22
Air date: January 26, 1985
Episode number: 4
First broadcast: 19 January 1985
Music by: Jonathan Gibbs