This season, it's the experiment as you've never seen before - but with high risk comes high reward. And now for 18 new singles, the search for their love story begins.

The experiment continues as two new couples tie the knot. For one couple, there’s instant chemistry; but our other grooms errors throw his brides fairy tale hopes into ruins.

Two new couples enter the experiment, as our earlier newlyweds continue their honeymoons. And, an opinionated and cynical groom hopes to be proven wrong by the experts.

The search for love continues in one of the most magical weddings ever. The honeymoons heat up in more ways than one, but for one couple, things take a dramatic downhill turn.

In our final two weddings, one bride takes a big leap of faith in an experiment first. Breathtaking honeymoons fast track connections for some, and early heartache for others.

After nine extraordinary weddings, the next phase of the experiment begins. Our couples come face to face with each other for the first Dinner Party of the season.

A brand new phase of the experiment is launched - Revelations Week. Over two nights, a new task is revealed, and the Photo Ranking returns. Connections, and cracks, start to form.

Revelations Week asks our couples to be vulnerable as a new task begins. In front of peers raw truths will be exposed, but it's one grooms honesty that leaves the room speechless.

After an explosive revelations week task, Red Flag Green Flag, the actions of some are hanging heavy. Who will stay and who will leave at the very first commitment ceremony?

Tonight, our newlyweds enter Intimacy Week. After receiving much needed guidance from the experts, some couples chose to embrace the challenge, while others remain hesitant.

Revelations Week asks our couples to be vulnerable as a new task begins. In front of peers raw truths will be exposed, but it's one grooms honesty that leaves the room speechless.

At the second Dinner Party, while some couples are feeling the love, others are are on a warpath, resulting in a dinner party so confronting - it has to be seen to be believed.

Love is in the air at the Commitment Ceremony as some celebrate incredible breakthroughs. The Experts unpack the question on everyone's lips, and call out a brides bad behaviour.

The experiment enters its next exciting chapter. Over two big nights, love will be in the air when three brand new couples enter the experiment, in the ultimate leap of faith.

Witness one of the most incredible matches the experiment has ever seen as our final couple are married. And, the original couples celebrate their first milestone.

Our three new couples make their Dinner Party debut. However, still harbouring resentment, one bride explodes at everyone in her sight, sending the dinner party into meltdown.

Romantic connections continue to grow at the Commitment Ceremony, with some couples planning their futures. The experts hold others to much needed account, delivering hard truths.

Family & Friends Week begins, and our couples gain much-needed perspective from their partners' loved ones. The newlyweds enter the apartments for a crash course in married life.

Advice from their nearest and dearest allows some couples to take massive steps forward, with others taking two steps backward. And, a bombshell is dropped about one bride.

As we approach the halfway point of the experiment, our couples attend the fourth Dinner Party. One marriage implodes in a shocking tirade that will leave everyone speechless.

Love is in the air at the Commitment Ceremony as couples make significant progress. Unfiltered opinions cause tension amongst the group, and sorry seems to be the hardest word.

We've past the halfway mark and it's time for the annual Couples Retreat. Our happy couples are loving the change in scenery, until one bad joke sends the retreat into meltdown.

As the retreat continues, actions from the Girls and Boys nights leave one couple isolated from the group. Then, at the final drinks night, lingering tensions reach boiling point.

It's the day after an explosive couples retreat, and following the intense week away - our newlyweds are now attending the fifth dinner party of the experiment.

With only three commitment ceremonies remaining, the stakes have never been so high. But despite the intensity of the week, some couples connections have become even stronger.

The next critical phase of the experiment begins, Feedback Week. The couples receive unfiltered feedback from their peers. And, the truth comes out as screenshots are shared.

After Feedback Week, the couples come together to reflect and unpack at the Dinner Party. But feedback is not all they'll be unpacking, as one of the strongest couples implodes.

It's the second last Commitment Ceremony, and some are already locking in plans for life outside the experiment. But there is one blindside that will leave the room speechless.

It's the second last Commitment Ceremony, and some are already locking in plans for life outside the experiment. But there is one blindside that will leave the room speechless.

As we enter the final stages, Homestays Week has arrived! Over two big nights, our couples will get a glimpse of what their relationships could look like beyond the experiment.