Married at First Sight UK 2025 airs on E4 and the series started on Sunday 21 September 2025 at 9pm in the UK.

Main broadcast details

  • The 2025 series kicked off on Sunday 21 September 2025 at 9pm on E4.
  • New episodes air in prime time, with the launch episode running for around 110 minutes (9pm–10:50pm).
  • Episodes are also available to stream on Channel 4’s online platform after broadcast.

Weekly schedule in 2025

  • Early in the run, episodes air nights from Sunday through Wednesday each week, giving viewers four nights of MAFS UK.
  • Later in the season there is a schedule “shake up” with episodes airing every evening from Sunday to Friday as the series reaches its climax.

End date and reunion specials

  • The main 2025 series ends on Wednesday 12 November 2025 , wrapping up the core experiment.
  • This is followed by a two-part reunion special on Thursday 13 and Friday 14 November 2025 , giving a final catch‑up with the couples.

Quick FAQs

  • When is Married at First Sight UK on in 2025?
    Mostly Sunday–Wednesday at 9pm , expanding to Sunday–Friday near the end of the series.
  • What channel is it on?
    It airs on E4 with streaming via Channel 4’s online service.

Information gathered from public forums or data available on the internet and portrayed here.