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.

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.

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.

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.

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.

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.

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.

In the Commitment Ceremony, experts Mel, Paul and Charlene put the marriages under the spotlight, but a surprise confession rocks the group.

'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.

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.

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.

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.

Tensions run high at the third dinner party, as the repercussions of Girls Day are felt and relationships fray. And some anonymous letters lead to tempers boiling over.

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.

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 of them...

The homestays continue, but as friends and family voice their doubts, one couple reach crisis point. And Partner Swap leaves some couples questioning their marriages.

The couples have their final dates and their last chance to consider their futures. But will the dates strengthen bonds, or lead to difficult discussions?

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.

Three of the couples spend time apart to reflect on their future. When they're reunited, will they decide to stay married or go their separate ways?

It's vow 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.

The experts welcome back the 16 participants, as they reunite for a final review of their experience since marrying a stranger, but what have they all learnt about themselves?

The brides and grooms celebrate their last night of freedom on their stag and hen parties, and as the first weddings commence, one bride has serious doubts at the end of the aisle...

Two more couples tie the knot... while one bride gets more than she bargained for, an overprotective friend threatens to spoil a groom and his new husband's big day.

The first four couples embark on their honeymoons. But while this trip of a lifetime brings some newly-weds closer together, others are tested to breaking point.

Two more couples meet for the very first time on their wedding day. Could one groom's surprise announcement leave him stranded by a runaway bride?

Four more singles marry a stranger, but while one wife hopes to meet the woman of her dreams, another bride's high expectations could be a recipe for disaster.

The next group of newly-weds jet off on their honeymoons. There's fun in the sun for some, but others find their first break away together far from blissful.

A brand-new chapter of the experiment begins, as the couples meet as a group for the first time for their first dinner party, and drama is definitely on the menu!

At the first Commitment Ceremony, the couples discuss their marriages and make the critical decision... do they keep working on their relationships or walk away?

It's Yes Week and the newly-weds explore power play in their marriages as they start living together for the very first time, but one groom unpacks his bags alone...

At the second dinner party, two grooms are left to arrive alone, and the Honesty Box turns up the heat, leaving one bride furious and wanting everyone to know.

Important decisions lie ahead at the Commitment Ceremony... who will stay on in the experiment and who has come to the end of the road?

Two new surprise couples meet each other for the first time at the end of the aisle, but while sparks fly for some, one groom has last-minute second thoughts.

The final two couples in the experiment set off on their honeymoons, but while one forges a deeper connection, the other's dramatic trip away ends in near disaster.

It's the third dinner party, but little do the couples know that newcomers are about to crash the party...

It's the halfway point of the experiment and a key time in the process, as the experts deliver some tough truths to help the couples progress on their journey.

It's Love/Hate week for the couples, as the experts set them exercises to improve their honesty and communication.

It's the Couple's Retreat and as old feuds are reignited, a connection forms between a bride and groom... who aren't married to each other!

The drama of the Couple's Retreat continues, as marriages hit the rocks and one bride's worst fears are realised as a bombshell is dropped at the dinner party.

It's the penultimate Commitment Ceremony and the experts assess the fallout from the Couple's Retreat. But a huge curveball arises, leaving the experts stumped.

It's the all-important homestays and one half of the couples get a glimpse of their future in the outside world, with some serious grillings from the in-laws.

Celebrations at the dinner party are cut short by the Anonymous Letters assignment, George and Adrian try to repair their friendship, and Jordan shares a shock confession.

Thomas and the brides head off on their homestays, where Jordan gets a grilling and Zoe and Jenna struggle to decide where they would live in the outside world.

At Kasia's homestay, Kwame's in for a shock. Back in London, the L-bomb gets dropped, and on a night out, an ongoing feud comes to an explosive conclusion.

It's the last Commitment Ceremony, and while some relationships are solid, others are shaky. Who will stay to go to the Vow Renewal Ceremony, and who will leave the experiment for good?

The couples go on their final dates... will any cracks in their marriages be put under added pressure? Difficult decisions lie ahead and there's a crisis on the cards for one couple.

It's the last dinner party for the couples. The honesty box game unveils some uncomfortable truths, and Thomas and Adrian make a shock announcement.

With final vows fast approaching, tensions rise as the most important decision awaits. Who will commit to a future together and who will walk away for good?

The bold social experiment where single people, matched by experts, marry total strangers, who they meet for the very first time on their wedding day.

All of the couples reunite for the final ever dinner party. The experts watch on as the honesty box sets off a disagreement that ends the evening with a bang.

The couples face the experts one last time, as they reflect on their experience in the experiment and their futures. But for some, the drama continues to unfold.

The brides and grooms celebrate their last night of freedom. And the weddings begin.

Two more magical weddings take place. One has fairy-tale feels; the other one's awkward.

Our first set of newly-weds jet off on their honeymoons. Will early buds of love blossom?

Two new couples meet for the first time. One pair have an instant electric connection.

Four more single people agree to marry a stranger. While one couple believe their match was written in the stars, the other pair discover that they have worryingly different lifestyles.

The remaining newly-weds head off across the world to enjoy luxurious honeymoons. For some, feelings flourish in the tropical climes, but others start to feel the heat of their marriages, which pushes one couple to breaking point.

The next phase of the experiment begins, as the newly-weds move into their apartments and come together for the very first dinner party. But events take a dramatic turn when emotions run high for the couples who are struggling to find marital bliss.

The couples face the experts at their very first Commitment Ceremony, where they must make a critical decision: whether to stay in the process and continue working on their relationships, or choose to walk away from their marriages for good.

A new chapter begins for our newly-weds, as they open up during Confessions Week. But will brutal feedback topple the group's golden couple off their perch?

The couples come together at the second Dinner Party to eat, drink and... open the Honesty Box. Uncomfortable truths are laid bare and scrutiny takes its toll.

At the second Commitment Ceremony, some couples thrive under the microscope. But for others, the decision of whether to stay or leave remains a tough one...

Four more singletons join the experiment. One picky bride has a lot to say about her groom, and an initial lack of spark threatens the other couple's happy day.

It's honeymoon time for our freshest newly-weds and Intimacy Week for everyone else. For some it highlights the challenges ahead, while others jump straight in.

The two newest couples return from honeymoon and make a surprise entrance at the third dinner party. But their arrival is overshadowed by rising tensions among the group, as friendships break down and a feud erupts over the dinner table.

The group face the experts on the couch once more at the third Commitment Ceremony. For some, it's an opportunity to celebrate their successes, while others must confront hard truths.

The husbands and wives spend time apart on group days out. But any hopes of bonding quickly unravel, as sparks fly between two brides and uncomfortable questions reveal some big surprises and send shockwaves through the group.

Wedding bells ring again as another couple step into the unknown and join the experiment. Back at the apartments, the married couples open the door to some familiar faces during In-laws Week.

In-laws Week continues, and while home truths give hope to some, chatting with loved ones sends one couple on a downwards spiral. And two grooms tie the knot, but an unexpected twist threatens to ruin the whole celebration.

The final batch of newly-weds head off on their honeymoons, but it's not long before both couples hit their first bump in the road. Back home, as In-Laws Week continues, some of the newly-weds struggle to win over their partners' friends and family, and one marriage heads towards breaking point.

The newest couples in the experiment return from honeymoon and unite with the rest of the group. But it's not the welcome they were expecting.

At the fourth Commitment Ceremony, some couples celebrate progress, while a bride and a groom are forced to face the consequences of their actions

It's Love/Hate Week and the couples share their likes and dislikes of one another, while a video from the past sends one groom's marriage to an all-time low

On the country retreat, friction builds between two grooms, while honest opinions upset one bride. And there's the biggest shock of the experiment so far...

On the second day of the couples' retreat, the group reunite for a dinner party where revelations of the previous day throw one marriage into turmoil

It's the penultimate Commitment Ceremony. Some marriages reach new heights, but are others approaching the end of the line?

Partner Swap Week proves too much for one couple, who hit their lowest point yet, while another groom is left questioning the future of his marriage

The penultimate dinner party serves up an extra helping of drama, as the anonymous letters force the group to face some uncomfortable truths.

The homestays get underway, giving the brides and grooms a taste of life outside the confines of the experiment, and a chance to seek wisdom from their nearest and dearest.

The Homestays continue as the couples try to fit into each other's lives. Some form deeper connections with their partners, but real-world pressures may be too much for one couple.

The remaining couples to face their final Commitment Ceremony, and later one bride makes a confession that devastates her husband.

The remaining couples set off on their final dates. Some of them use the time to reflect, but for one couple, crisis is on the cards.

It is the final Dinner Party and the last chance for the remaining couples to gather advice from each other before their Vow Renewals.

It's Vow Renewals time, and after seeking advice from their nearest and dearest, our couples decide whether to embark on their happily ever afters or not.

At the final Vow Renewals, our last remaining couples decide whether to give their relationships a go outside the experiment, or to walk away for good.

The group reunite for one final dinner party. Old feuds flare up and a rumour's revealed. But which marriages have flourished and which have failed?

In the final reunion ceremony, the group look back on their time in the experiment. And can the experts help one marriage hanging in the balance?

The brides and grooms enjoy one last night of freedom, but there's drama when one groom's controversial opinion leaves everyone questioning why he's there. And our first two couples get wed.

Four more singles marry at first sight, and while there's an instant and undeniable attraction for some, one bride's groom makes the ultimate wedding day blunder.

Our first four couples embark on their romantic honeymoons. Feelings start to flourish for some, but one groom's brutal honesty sends his new wife reeling.

Two more couples take the ultimate leap of faith. One couple have an electric connection, but will the bride's traditional values put a dampener on their wedding night?

The last four singles meet their matches. One couple find that their priorities seem alarmingly different. And will an overcurious bride prove too much to handle?

Our last newly-wed couples jet off on their honeymoons. Love blossoms for some but others begin to feel the strain, and one bride is pushed to breaking point.

The couples settle into their new homes, and drama is served at the very first dinner party as one groom's behaviour sends shockwaves through the group.

The couples face the experts at their first Commitment Ceremony. Some celebrate how well things are going, but others must decide whether to walk away for good.

It's Experts Week and our couples strengthen and develop their marriages with melting hugs and 'ask me anything'. But will uncomfortable truths prove too much for some?

Drama is served at the second dinner party as the honesty box exposes cracks in some marriages. And rumours about one bride's behaviour behind closed doors spark conflict.

At the second Commitment Ceremony, some couples reflect on a positive week, but others struggle to overcome feelings of betrayal. And will a lack of attraction end a marriage?

It's In-Laws Week, and a careless comment leaves one mum in tears. And a brand-new couple get wed... will the groom get a big tick or give his bride the ick?

A new couple get wed... what will the bride make of her groom's bombshell revelation? And as In-Laws Week continues, scrutiny leaves one couple in turmoil.

There's more from the in-laws, as one husband receives a damning review. And another new couple join the process, but a wobble at the altar throws their marriage into jeopardy...

Our newly-weds jet off on their honeymoons; it's sunshine and smiles for some, but a breach of trust leaves one marriage in the balance. And the final visit of In-Laws Week delivers home truths.

Our three new couples make a surprise entrance at the dinner party. The honesty box provokes strong reactions, with one husband revealing that he's had enough.

At the Commitment Ceremony, some marriages flourish, but others begin to wither in front of the group. Will anyone decide to walk away from the experiment, and their partner, for good?

The couples head off for what's meant to be a relaxing countryside retreat. But rumours swirl about one of the wives and she finds herself in the eye of a storm.

It's the second day of the retreat, and as the couples spend time apart on separate group days out, one husband learns what his wife's been saying about him and their marriage...

The couples mark their final day at the retreat with a dinner party, but trouble brews when one of the boys breaks 'bro-code' and tempers explode at the table.

At the Commitment Ceremony, a shock revelation sends the group reeling, putting more than one marriage on the line and leading to a tense showdown.

It's Love/Hate Week, and no topic is off the table! Some couples struggle to handle the critique, and one bride calls an unexpected time-out on her marriage.

The group head off on separate days out. Things get spicy on the dance floor and steamy in the hot tub, and a potentially compromising photo stirs up trouble.

At the Dinner Party, as tension escalates in the aftermath of the big days out, two husbands clash when one of them tries to defend his wife's honour.

At the penultimate Commitment Ceremony, one couple confront some difficult truths. And a wife puts her husband in the firing line, re-igniting a lingering feud.

During Partner Swap Week, one couple's attempt to reconcile takes a disastrous turn for the worse, and jealousy gets the better of another pair as the change of partner proves too much.

It's the penultimate Dinner Party and emotions run high as the anonymous letters lead one couple to a painful realisation and a heartbreaking confession.

Homestays get underway! One couple get an unexpectedly warm welcome from the mother-in-law, but it's far from home-sweet-home for another pair when they have a bust-up in front of a friend.

As homestays continue, one couple's problems worsen, close family ties put strain on another marriage, and probing questions lead to an explosive argument.

At the final Commitment Ceremony, one couple's agonising wait to reunite finally comes to an end, resulting in their most emotional session on the couch so far.

Our couples embark on their final dates. For some, there are grand gestures, but other couples' dates take a disastrous turn, leaving one marriage in limbo.

The couples spend time apart on boys' and girls' nights out. As they welcome back some familiar faces, home truths are delivered and unresolved feuds re-ignited.

It's the final dinner party! While some husbands and wives celebrate how far they've come, others face tough questions. And when accusations fly, one couple reach breaking point.

Our couples move out and return home separately, as they prepare for Vow Renewals. But what will they decide when it comes to that life-changing decision?

Feuds re-ignite at the reunion dinner party and a clash spirals into one of the most explosive showdowns in MAFS UK history.

It's the final Reunion Ceremony! While some couples have much to celebrate, others are confronted with the difficult task of addressing what went wrong...

Our first two couples enter the experiment and get wed! An unexpected surprise transforms one groom's big day, but will an impromptu musical outburst and a potential ick threaten another's?

There's a showstopping entrance and a major wobble as four more strangers say 'I do'. And our first set of newly-weds jet off on their honeymoons, but are cracks beginning to show?

Another pair of brave singles walk down the aisle, but will a frosty first impression leave one bride out in the cold? And will there be harmonious honeymoons for our freshest newly-weds?

Two more pairs of hopefuls take the life-changing leap of faith. Sparks fly for some, but one bride riles up her in-laws before she's even got down the aisle! And of course, more honeymoon hoo-ha!

Two more singles get wed, but could a bride's pursuit of perfection jeopardise her chances of finding love? Plus, more honeymoon hubbub as one groom threatens to ruin any chance of romance.

One more couple say 'I do', but will the groom's humorous approach to the big day leave his wife unamused? And as the final honeymoons continue, is there trouble in paradise for one pair?

Our newly-weds move in together and adjust to married life. And, of course, sparks fly at the first dinner party, when two brides give their hubbies less-than-glowing reviews... awks!

At the first Commitment Ceremony, some couples celebrate their success so far. But as two couples clash, one bride's bad-mouthing lands her in hot water...

It's Experts Week, and the newlyweds face their first set of challenges specifically designed to strengthen and develop their marriages

The second dinner party serves up romantic confessions with a side order of tricky questions, as one bride questions her marriage when she struggles to find support and validation from her husband.

At the second Commitment Ceremony, some relationships blossom like the wedding bouquets. But for other couples, there's communication calamity and a 'do-I-stay' dilemma. Will anyone decide to leave?

It's the time some couples dread... In-Laws Week! But a breakthrough proves that in-law intervention isn't always bad. And there's a new wedding! But will an overprotective mum derail the day?

At another new wedding, a high-speed bride and laidback groom say 'I do'... what could go wrong?! And will more in-law intervention help or hinder harmony?

Instant sparks fly in a passionate ceremony, as our final couple marry at first sight. And as the in-laws keep coming, one bride falls short for a frustrated friend over her treatment of her husband.

The final newly-weds embark on their honeymoons! Meanwhile, a badly behaved husband receives a word of warning, and will one couple's physical intimacy deepen their connection?

At the third dinner party, confessions are served aplenty, with a side dish of jealousy, as one bride comes clean and a new bride's arrival and honeymoon antics stir the group...

Commitment Ceremony time... it's serving massive decisions as one couple seriously consider the future of their marriage, while another finally make some much-needed progress.

Will absence make the heart grow fonder on the group days out? Not for one groom, who confesses his true feelings. And the burden of a long-hidden secret causes an explosive clash.

Feelings flourish and bonds blossom for some of our couples as Love/Hate Week gets underway. But love languishes and emotions erupt when one groom hears his wife's critiques.

It's another dinner party and it... is... serving! Progress is on the menu for some pairs, but the authenticity of one couple comes into question. And who ordered a side of tension?

At another emotionally charged Commitment Ceremony, one couple affirm their love but a bride's behaviour is called out by both the experts and the group. And there's solo sofa surfing... again.

It's rural retreat time, which brings a welcome romantic break for some of our couples. But rumours about a bride's behaviour spiral, and another bride learns a heartbreaking truth about her husband.

An unexpected arrival at the retreat leads to a devastating showdown. And as a marital breakdown continues to spiral, everyone's caught in the crossfire at an explosive dinner party.

It's Commitment Ceremony time, and some couples reap the rewards from their time away at the retreat. But for others, turmoil transcends and one bride questions whether her marriage is beyond repair.

Time for some spouse swapping and bed hopping... it's Partner Swap Week! Absence makes one groom's heart grow especially fonder, but tests one relationship to the brink of destruction.

Time to play happy families as Homestays get underway! Warm welcomes and straight-talking friends await, but a scandalous secret threatens to blow one marriage apart.

As Homestays continue, an emotional mum expresses unease and a friend's feedback falls flat. And how will one bride cope when her family voice commitment concerns?

It's time for the final Commitment Ceremony. Crucial decisions are made, one bride faces up to some difficult truths, and a scandalous revelation shocks the group.

It's time for the final dates, where one couple discuss their long-distance dilemma. Can they make it work? And an ill-chosen date venue sparks a rollercoaster of emotions, leaving another pair torn.

It's the final boys' and girls' nights out, with a few old friends joining in the fun. But one familiar face's shocking revelation sparks the mother of all showdowns.

At the final dinner party, celebrations and deliberations are served, with a side order of clashing double standards. And one couple question whether their love can survive outside the experiment.

It's vow renewal time! As the couples return home to prepare for the big decision, one couple leave on bad terms and a bride questions her husband's feelings. Will they get their happy ever afters?

It's commitment crunch time as the vow renewals continue. One emotional groom questions whether he's enough, and one couple must decide whether their long-distance love can survive.

It's the reunion dinner party and in true MAFS style, across-the-table action is served aplenty, as two brides clash and one groom faces a reckoning for his behaviour.

As everyone gathers for the reunion Commitment Ceremony, some couples celebrate their journeys, while others confront their issues. And one final shocking admission rocks the whole group.