Australia's most engaging experiment returns. Meet the hopeful brides and grooms of 2024 at the Bucks and Hens parties, and join the first two gorgeous weddings of this season.

Wedding week continues, where two more couples meet for the very first time at the altar. One wedding is a total washout, and things are not looking too good for the other couple.

Wedding week continues, where two impossibly sweet couples are matched up by the experts. But, how will groom Collins handle being in his first ever relationship?

The couples are off on their Honeymoons! Set in gorgeous romantic locations, the lovebirds enjoy each others company before the Honesty Box makes an appearance.

We join an unforgettable bride in the wildest chaotic wedding of the season. Plus, could it be true love at first sight for our most mature couple?

It's the first dinner party of the year and the couples now meet each other for the first time. There's a scandalous rumour going around, and one couple makes a shock exit.

Our newlyweds are taking a big step in their relationship – moving in together. The Experts announce that it’s Confessions Week, which sees Jayden revealing a very dark secret.

Our couples are halfway through Confessions Week and the tasks keep on coming from the Experts. Marital bliss has turned into shaky ground for more than one couple.

As Confessions Week draws to a close, the couples must now face the next phase of the experiment: their very first Commitment Ceremony.

The next phase of the experiment begins as expert Alessandra helps our newlyweds explore the intimate side of married life in Intimacy Week.

As Intimacy Week continues, Alessadra's intimacy workshops sees our newlyweds come to shocking revelations. While things heat up for some couples, for others the spark is fading.

Intimacy week helped some couples deepen their bonds, but for others the week proved a challenge. Now, the knives are out at the Dinner Party as the table does not hold back.

After an intense intimacy week and an explosive dinner party, it's the second commitment ceremony and love is in the air, until our experts apply the pressure.

Two new couples enter the experiment, before an unexpected confrontation with a beloved couple. And, from heartbreak to hope, Michael gets his second chance at True Love.

Tonight, expert John tries to rescue a marriage in crisis, and we see the final wedding of this years experiment. Then, our three new couples head off on their honeymoons.

As we approach the halfway point, our couples get ready for their third dinner party. But, Jacks shocking comment at the table will change the course of the experiment completely.

It's the third commitment ceremony and love is in the air as some couples reveal amazing progress. But for others, shock revelations will leave their marriage in turmoil.

Our original couples have reached the halfway mark and they enter Family & Friends week. Meanwhile, our new couples take a crash course in intimacy and confessions.

As Family & Friends week continues, troubles deepen for Ellie & Ben. And among the visits of loved ones, there’s a dramatic turn for one of the experiments strongest couples.

It's the fourth dinner party of the experiment, where the tables patience with each other starts to thin. And, as sparks fly for some, surprising new rivalries will form.

At the commitment ceremony, romantic connections deepen while for others the spark is fading. Ben faces the firing line, but one confession leaves the room speechless.

An unexpected cheating allegation rocks the experiment. And, our newlyweds head off on the couples retreat that will lead to an unforgettable breakthrough.

After a dramatic start, the Couples Retreat continues, and despite the serenity of the setting, a storm of conflict, secrets, and damaging lies is brewing.

After an explosive couples retreat our couples have returned to Sydney for the Dinner Party. However, Eden gives Sara an ultimatum which descends the night into chaos.

It was a huge week at the Couples Retreat, but at this Commitment Ceremony, it's the shocking revelation from the recent Dinner Party that's on everyone's lips.

Feedback Week. The couples confront each other with a series of tasks designed to test the bonds of their relationships but not everyone is happy being tested.

The start of feedback week saw our couples ask the hard questions. Tonight, feedback week continues as Tori and Jack come under fire, while some troubled couples try to reconnect.

It's a no-bull kind of Dinner Party where Lucinda and Timothy fess up to the secret letter. And, is this the tragic end for one of the experiments beloved couples?

Off the back of Feedback Week, where each couple faced some tough questions, the group now enters the most emotionally charged Commitment Ceremony of the experiment.

Homestay Week is finally here, and the remaining couples get ready to visit their partner’s home turf to see what their life could be like together, post-experiment.

As Homestay Week continues, the remaining couples are feeling excited to take a trip into the real world, where friends and family weigh in on their relationships.

The couples have returned from Homestays, and are off to the seventh Dinner Party. Participants are eager to catch up on each other’s progress, but it's not all warm receptions.

It's the final commitment ceremony of the experiment. A massive bombshell will be dropped in a brand new cheating allegation, shocking the group and leaving one bride blindsided.

In the wake of the final Commitment Ceremony, the couples are in shock over one grooms cheating scandal as they head into the final Dinner Party of the experiment.

The Final Vows begin. The experiment culminates as the couples decide whether or not to continue their relationship after the experiment.

The Final Vows continue. Romance and heartbreak as the last couples choose whether or not to continue their relationship beyond the experiment.

It's the Reunion Dinner Party. All the couples return for one final dinner party and the chance to put any unfinished business to rest.

It's the Reunion Finale. All the couples return for one final session on the couch with the experts to look back at their journey through the experiment.