The experiment's participants come together for a video review of their time spent together, and learn the shocking truths behind some of the experiment's biggest rumours.
All of the 24 participants return for a reunion dinner party, from Ines, to Sam, Lizzie, and Cyrell. Old friends come together again, while old feuds reach boiling point.
Ten weeks after first meeting, it's time for the couples to make their final vows. It's a huge decision, as they need to decide whether to continue their marriages, or part ways.
Jess and Dan settle into domestic bliss; Cam whisks Jules off to relive their wedding day; Mike takes Heidi for a date on the high seas, but he's forgotten how seasick she gets.
The couples swap partners for an insightful date. Jules gives Mark some advice on his love-life with Ning, but Mike and Jessika once again rehash the events from the dinner party.
It's the final commitment ceremony and the couples speak to the experts for the last time. With emotions high, the experts help put the pieces back together.
Ning strives to get to the bottom of Jessika's rumours, Mike confronts the situation as tensions reach new heights in the lead up to their final commitment ceremony.
Emotions run high heading into the next commitment ceremony. There are big leaps as some are falling for each other, others are moving in, and two couples split.
As the homestay's continue, the families of the brides put the marriages, and husbands, under the scope. Meanwhile, Susie's father steps in and tries to fix her marriage.
It's another explosive commitment ceremony for the couples; self-sabotaging behaviour, shocking truths and devious ulterior motives that have never been seen before.
The dinner party commences once again with explosive results, as another cheating scandal unfolds. Plus, one of the original couples takes the next step in their relationship - holding hands.
The grooms homestays continue, and the wives are immersing themselves in their husband's world, leaving some couples stronger than ever, while others are pushed to breaking point.
It's been over a month since the couples first met as complete strangers at the altar; they move into the next challenging part of the experiment, the husband's homestays.
The new arrivals set off on their honeymoon, while the original couples celebrate their one-month milestone. A new rumour drives Cyrell into a heated confrontation with Martha.
After an intense commitment ceremony that saw two couples leave, the experts announce they will be introducing two new couples halfway through the experiment.
On the Gold Coast, the brides are still reeling from the explosive Girls' Night which is followed by a dramatic dinner party full of rumours, lies, and explosive secrets.
The final two weddings. Australia's most controversial social experiment has never seen a bride like Ines. Have the experts found a groom that can tame her?
The weddings continue, with 29-year-old virgin Matt heading to the altar. Plus, the experts try to find the perfect match for Sam who says his looks are getting in the way of love.
Two more couples matched by the experts are ready to walk down the aisle, but one best man gives an embarrassing speech that leaves the bride's family shocked.