Two classic episodes of Doctor Who - thought to be missing forever - have been returned to the BBC archive.
Episode 3 of the William Hartnell adventure "Galaxy 4" and Episode 2 of Patrick Troughton's "The Underwater Menace" were purchased by film collector Terry Burnett at a village fete near Southampton in the early 80s. He had been unaware that the canisters contained material missing from the BBC.
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