Final vows part two: The remaining couples decide whether or not to continue their relationships outside of the experiment in some of the most emotional vows ceremonies ever.

Final vows part one: the first couples decide whether or not to continue their relationships outside of the experiment in some of the most emotional vows ceremonies ever.

The final dinner party. The experts produce the Honesty Box for the final test of the couples' commitment before they take their final vows.

Everyone is back for Boys and Girls' night; Sam has unfinished business with Bryce.

The final dates. The remaining couples have one more chance to spend time together before separating to consider their future.

The final commitment ceremony. The remaining couples must decide whether to go to final vows or leave the experiment.

Fallout from the week away finds Bryce under attack at the Dinner Party; Patrick is forced to defend himself.

A controversial incident shatters the final night of the group's week away.

The couples leave their apartments for a dramatic week away as a group.

Bryce drops a bombshell at the Commitment Ceremony; Booka and Brett face a huge decision.

Bryce finds himself in the firing line again at the dinner party.

Fallout continues from the virtual 'Meet the Parents' event.

The new couples move in and a sudden departure shocks the experiment.

Life in the experiment proves too hard for one couple and another marriage hits the rocks.

A shock arrival at the dinner party stirs up the evening.

The shake-up with the experiment continues with another twist.

A surprise day trip lands the brides and grooms in the middle of a MAFS first.

Shock departures at the Commitment Ceremony see some favourites say goodbye.

The second dinner party. Two of the experiment's biggest personalities face off across the table while two others look elsewhere for love.

Alessandra's Intimacy Week continues with some couples nailing the challenges while others struggle.

The couples are introduced to Intimacy Week - a series of challenges designed by new expert Alessandra to enhance intimacy and sexual compatibility.

First commitment ceremony. The couples take to the couch for the first time to face the experts including new member, sexologist Alessandra Rampolla.

The first commitment ceremony. The couples all take to the couch for the first time and face the new expert, Puerto Rican sexologist Alessandra Rampolla.

The fallout from the dinner party hits the group and Confession Week begins.

The couples all meet for the first time at the first dinner party of the season.

The final weddings deliver one of the experiment's most anticipated matches and a historic program first.

Honeymoons. Love blooms for some couples while others struggle with personal revelations.

It's weddings week. Two more couples walk down the aisle, and the Honesty Box sparks fireworks at the first honeymoons.

It's weddings week. This episode, three more couples tie the knot.

Australia's most controversial social experiment is back. Can singles meeting and marrying at first sight find their happily ever after? This episode, bucks and hens, and then love and drama at the first two weddings.