Merciless is a TV show on British national television from Channel 4 with an average rating of 4.0 stars by TelevisionCatchUp.co.uk's visitors. We have 1 episodes of Merciless in our archive. The first episode of Merciless was broadcast in June, 2017. Did you miss an episode of Merciless but don't you wan't that to happen in the future? Please set an alarm and add Merciless to your favourites, so we can remind you by email when there's a new episode available to watch. For free!