Once is a TV show on British national television from BBC1 with an average rating of 3.0 stars by TelevisionCatchUp.co.uk's visitors. We have 2 episodes of Once in our archive. The first episode of Once was broadcast in January, 2016. Did you miss an episode of Once but don't you wan't that to happen in the future? Please set an alarm and add Once to your favourites, so we can remind you by email when there's a new episode available to watch. For free!