Secret Knowledge is a TV show on British national television from BBC4 with an average rating of 3.0 stars by TelevisionCatchUp.co.uk's visitors. We have 25 episodes of Secret Knowledge in our archive. The first episode of Secret Knowledge was broadcast in November, 2018. Did you miss an episode of Secret Knowledge but don't you wan't that to happen in the future? Please set an alarm and add Secret Knowledge to your favourites, so we can remind you by email when there's a new episode available to watch. For free!