Alessandra Rampolla

As the halfway point of the experiment approaches, the couples attend the fourth dinner party; one marriage implodes in a shocking tirade that leaves everyone speechless.

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 too much-needed account, delivering hard truths.

Follows an eventful couples retreat, the newlyweds gather for the experiment's fifth dinner party, where tensions are likely to run high after their intense week away.

Family and friends week begins, and the couples gain much-needed perspective from their partners' loved ones; the newlyweds enter the apartments for a crash course in married life.

Australian couples take part in an experiment, meeting for the very first time at their wedding. The couples honeymoon, meet the in-laws and set up home, all the while getting to know one another more intimately.