Married at First Sight UK is on E4 at 9pm every Monday, Tuesday, Wednesday, and Thursday. The show started on Monday, September 18, 2023 and the final episode will air on Thursday, November 16, 2023. The series is planned to be the longest-running season ever at 36 episodes, which will include weddings, commitment ceremonies, dinner parties, and more. If you miss an episode, you can catch up on the Channel 4 website.