But it's not over yet, with the couples set to return for a reunion show, where viewers will get to find out how things went after the cameras stopped rolling.
So, when is the Married at First Sight UK 2021 reunion show? And what can viewers expect?
Here's everything you need to know.
When is the Married at First Sight UK 2021 reunion?
Married at First Sight UK: Reunion will air on E4 on Monday 4th October at 9pm.
It will see the Married at First Sight UK experts, matchmaker Paul C Brunson, psychiatrist Melanie Schilling, and Charlene Douglas invite this year's participants back for a final review.
Viewers will also get to find out which Married at First Sight UK couples are still together.