Married at First Sight is an Australian reality TV adaptation of the Danish series Gift ved første blik, where strangers are matched by experts and meet for the first time at the altar. Because Australian law requires a month's notice for marriage, participants aren't legally wed but instead take part in an unofficial commitment ceremony, with the show premiering on 18 May 2015 on the Nine Network and running for 13 seasons through 2026. The experiment involves a honeymoon, cohabitation, and weekly commitment ceremonies where couples decide to stay or leave, culminating in final vows. Expert panel changes included Mel Schilling, who joined in season 2 and tragically died in March 2026 at age 54 after a terminal cancer diagnosis, while Alessandra Rampolla replaced Trisha Stratford from season 8. Notable milestones include the first same-sex couple in season 3 (Craig & Andy) and a season 4 ceremony featuring twins married in the same event. The series has been narrated by Georgie Gardner (seasons 1-4) and Helen Dallimore (since season 5), and has also spawned a reunion special in 2021.