Overview: Before our 16 strangers walk down the aisle, they celebrate their last night of freedom, at the ultimate stag and hen parties, where a surprise is in store. And the first two couples get married.
Overview: More strangers take the ultimate gamble - but will opposites attract when they meet at the altar? And Married at First Sight UK celebrates its first same sex wedding.
Overview: The next phase of the experiment begins as the first four couples go on their honeymoons. Some relationships blossom, while other couples aren't sure they're compatible.
Overview: The experts match another two couples, but when the big day arrives, one bride and groom quickly discover that their differences may be an issue
Overview: The final four singles plunge into marriage with a complete stranger. One couple struggle to connect, and a bride goes against her family's advice to find love.
Overview: Four more couples head off on their honeymoon. But while it's romance for some, others struggle to find their spark. And one couple quickly hit rough waters.
Overview: With weddings and honeymoons over, the newly-weds move in together. And all eight couples meet each other for the first time, at an unforgettable dinner party.
Overview: In the Commitment Ceremony, experts Mel, Paul and Charlene put the marriages under the spotlight, but a surprise confession rocks the group
Overview: 'Yes Week' begins and brings some of the couples closer together but pushes others to breaking point. Plus: an ultimatum turns up the heat for one couple.
Overview: The second dinner party brings surprise guests who send shockwaves through the group. A dream couple hit a bump in the road and one bride questions her future.
Overview: Marriages are put under the spotlight once more at the second Commitment Ceremony, as the experts deliver some hard-hitting truths to help the couples progress
Overview: The couples spend time apart at group girls' and boys' days out. There are a few home truths from the guys and a revelation leaves the girls dumbfounded.
Overview: Tensions run high at the third dinner party, as the repercussions of Girls Day are felt. And some anonymous letters lead to tempers boiling over.
Overview: Feelings deepen and the stakes are raised at the third and final Commitment Ceremony. As some couples look to the future, others face heart-wrenching decisions.
Overview: The couples get a taste of the future as they embark on their homestays. But immersing themselves in each other's worlds raises big questions for some...
Overview: The homestays continue, but as friends and family voice their doubts, one couple reach crisis point. And Partner Swap leaves some questioning their marriages.
Overview: The couples have their final dates and their last chance to consider their futures. But will the dates strengthen bonds, or lead to difficult disscussions?
Overview: The couples come together for one last time at the final dinner party. But celebrations are cut short when the honesty box delivers some uncomfortable questions.
Overview: Three of the couples spend time apart to reflect on their future. When they're reunited, they must decide whether to stay married or go their separate ways.
Overview: It's vowel renewal time for the last of the newly-weds. As one couple reveal their decision, the other two face the toughest choice of their lives.
Overview: The experts welcome back the 16 participents for a final review of their experience marrying a stranger. What have they learnt about themselves?