The TV show Married at First Sight is on different channels depending on the country:

• In the UK, Married at First Sight 2025 is airing on E4. The new season started on Sunday, September 21, 2025, at 9 pm and episodes air from Sunday to Thursday on E4, with streaming available on Channel4.com.

• In the United States, Married at First Sight originally aired on FYI, later moved to Lifetime and Peacock. As of 2025, Peacock acquired the rights starting from season 19.

• In Australia, Married at First Sight season 12 aired on the Nine Network in early 2025.

So for the UK audience, the current channel is E4. For the US, the show can be seen on Peacock and Lifetime depending on the season. For Australia, it airs on Nine Network.