Underwater is a TV show on British national television from BBC2 with an average rating of 4.0 stars by TelevisionCatchUp.co.uk's visitors. We have 1 episodes of Underwater in our archive. The first episode of Underwater was broadcast in November, 2016. Did you miss an episode of Underwater but don't you wan't that to happen in the future? Please set an alarm and add Underwater to your favourites, so we can remind you by email when there's a new episode available to watch. For free!