The BBC were unsure what they had on their hands: a comedy, without a studio audience, to be broadcast in stereo; the first radio science fiction serial since Journey into Space in the 1950s; half an hour of semantic and philosophical jokes about the meaning of life and ear-inserted fish? They did the only decent thing and put it out at 10.30 on Wednesday evenings, when they hoped nobody would be listening, with no pre-publicity, and expected it to uphold Radio 4’s reputation for obscurity. They were undoubtedly surprised when it didn’t. After the first episode was broadcast, Douglas went into
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