How can I find out which programmes are signed? 14 October 2025 10:15 Updated Signed programmes are marked SL in the TV guide on our website Related articles What was the first advert screened on Channel 5? How do I find out which programmes are subtitled? Who was the first person to speak on Channel 5? How to update the 5 app on Fire TV to the latest version 4.28.6 Content Playback Issue