The first matches are made. Self-confessed nerd Fraser is paired with fun-loving Monique. How will their guests react to Fraser's dad jokes? Later, will it be love at first sight for Wayne and Ksenia?

Ksenia's friends give Wayne a grilling as we see more of their wedding day. And Ottie is looking to settle down with a bad boy. Has she found him in her match, Gareth?

Trouble brews before newly matched couple Yuki and Dan even meet, as Dan's parents refuse to attend the wedding. And Sam's nerves might get the better of him as he prepares to marry Tayler.

Sam continues to have doubts. He's not the only one - Dan's wait for bride Julia allows the nerves to truly take hold. Will the last couples to be matched go through with their weddings?

The 12 newly-weds head off for their honeymoons in Bali. As the participants get to know their partners better, some relationships blossom, while others struggle.

As they continue to enjoy their time in Bali, the couples meet for their first dinner party. Ottie's questioning exposes the compatibility in some couples and the cracks in others.

The couples return to New Zealand, where the reality of day-to-day life as newly-weds begins to prove difficult. How will it impact the first commitment ceremony?

Honesty is key to a healthy marriage, but will some of the opinions shared during the commitment ceremony cut a little too deep? Later, the couples challenge themselves during the surrender dates.

It's time for the homestays. Fraser and Monique fend off personal questions, while Ottie's friends find fault with Gareth. And one couple cuts their trip short as the pressure proves too much.

Cracks in some couples' relationships threaten to rip wide open at the second dinner party, as the group honestly answers questions set by the experts.

The newly-weds prepare for the second commitment ceremony. Will everyone be on the same page? And as the end of the experiment nears, the remaining participants go on their final dates.

After spending three days apart, the remaining participants have to decide whether to renew their vows or go their separate ways. What will they choose?

The couples reunite for one final dinner party before meeting with the experts to talk about the experiment - and to air out any remaining grievances...

The nervous brides and grooms head out on their hen and stag dos before the first couple is matched. How will Anna react when she learns her new husband's best man has forgotten the wedding rings?

The next matches are made. Vicky and Stefaan are similarly adventurous but differ when it comes to relationship experience. Elsewhere, Ray and Jonathan are instantly attracted to each other.

There's instant chemistry between Carmen and James when they meet at the altar. But things don't get off to as great a start for Christopher and Rose, who find they're not on the same level.

With the last of the weddings done, the couples head off to Fiji for their honeymoons. But it looks as if there could be trouble in paradise for a few of the newly-weds...

Uneasiness between Ray and Jonathan leads them to crash Carmen and James's date on the last day of the honeymoons. And the couples prepare to move in together as they head back to New Zealand.

It's been three days since the newly-weds moved in together. The experts are called in to help the couples who are struggling the most - will it be enough to keep them from calling it quits?

The pressure's on as the couples attend their first dinner party. Anna worries that Vicky will flirt with Jordan, Carmen digs for juicy details, and tensions between Ray and Christopher boil over.

At an emotional commitment ceremony, the couples get a chance to lay their feelings bare. Will anyone choose to leave the experiment for good?

While some couples head out on dates and grow closer, Ray and Jonathan spend time apart. Later, Jonathan receives shocking news. And Anna opens up to Jordan about her past.

After the events of the previous night, Jonathan weighs up his options. Later, the couples split into groups for a night on the town, where turbulent relationships lead to tears aplenty.

Allegations of cheating have sent shock waves through the group. How will it all play out during the second dinner party?

While some couples are flourishing, others are falling apart. Will anyone choose to leave the experiment during the second commitment ceremony?

As the experiment enters the home stretch, the participants head off for the home visits. Vicky worries about her father's opinion, while Jonathan's friends take a stand.

Anna wakes up to find news of her past has hit the media. And as everyone prepares for the final commitment ceremony, feelings of indecisiveness leave one participant wanting out.

The couples make their final decisions. After four weeks of spending every moment together, they return to their everyday lives to reflect on their futures. Who will commit? And who will walk away?

There are tears, tantrums and threats as the couples reunite for their last dinner party. While one former couple has good news to share, tensions resurface between others.

The participants meet with the experts for one last time, and the events of the previous night's chaotic dinner party have left everyone with a lot to talk about...

Nerves are at an all time high as strangers prepare to marry at first sight. But first, it's time for the hens and stag dos!

Cara and Mike, and Steph and Piripi meet for the first time. As they embark on their journey to married life, will sparks fly at first glance?

Excitement is in the air and emotions run high as the wedding day begins for eight hopeful singles. Nerves settle in for one bride as she discovers her groom's identity before she walks down the aisle.

As the experiment continues, the newlywed couples face unique challenges and moments of connection.

After a blissful honeymoon in Vanuatu it's time for the couples to meet each other for the first time at the pool party.

It is the last day of the couples' honeymoon. While some couples are feeling good and in high spirits, other couples are feeling disconnected or overshadowed by their partner.

Our couples move in together and adjust to life back in the city. While some couples thrive, others drift further apart.

Everyone dresses up for the first dinner party of the season. But not all couples come together as a united front.

Jesse and CJ's marriage is in trouble as they prepare for the first commitment ceremony. The experts put some hard questions to the couples who must decide to stay or leave the experiment.

Reeling from commitment ceremony fallout, the couples separate for Partner Swap week to spend time with another groom or bride. At a Boys and Girls night out, shared confidences seed doubts for some.

The couples part ways for a boys and girls night out. Then, surprise guests give them some much needed advice as they head into the next phase of the experiment.

Steph drops a bombshell at the dinner party putting Piripi in the firing line. At the commitment ceremony, the experts turn up the heat to get the truth & the couples reveal if they'll stay or leave.

The couples visit each other's homes for Home Stay Week and face confronting questions from loved ones about what life together outside the experiment can look like.

The final three couples meet for final vows tp reveal if they will make a life-changing commitment to each other, Who will stay together, and who will say goodbye to the fairytale ending?

After returning to their normal lives, the couples have come together for a reunion with the experts, where some secrets & lies are revealed.