Overview: Sir David finds out about the invention of the incandescent light bulb as he learns about the British innovations that have transformed our homes
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First Air Date: Jan 21, 2020Last Air date: Feb 11, 2020Season: 1 SeasonEpisode: 4 EpisodeRuntime: 45 minutesQuality: HDIMDb: 0.00 / 10 by 0 usersPopularity: 2.271Language: English