Unbreakable Season 2 is yet to be announced by BBC One

It's the final week, and the three remaining couples take on a series of extreme challenges. Facing electric shocks, a walk over broken glass and a tattoo parlour, the brave couples make the ultimate bid to prove their relationship deserves the crown.

Rob, Anjula and Maria ask the couples to reflect on their journeys, and emotions reach an all-time high in the last vow ceremony of the series as the winning couple is announced.

The semi-final is here, and the remaining four couples are hoping their relationship has what it takes to get them a step closer to that winning title. Tensions rise in the most frustrating challenge yet, as one half of each couple is stranded on an island whilst their partners are left behind to guess which items they'd most likely take along with them. Rob sends one couple home in the last Breaking Point Challenge of the series.

The competition heats up as Strictly royalty Shirley Ballas makes a surprise entrance with her boyfriend, star of the West End stage Danny Taylor.

Rob separates the couples to see how they cope without each other, sending half the competitors off for a spot of glamping.

The cast grow ever closer as they divulge more about their personal lives, but who will be next out the door in this week's Breaking Point Challenge, when another couple is sent packing?

Rob sends the couples to the beach for their next challenge to see how well they know their partners, and as he and the experts watch on remotely, fascinating insights into their relationships are revealed. But who will find themselves at the bottom of the leader board and at
risk of elimination in the first Breaking Point challenge of the series? Emotions are at an all-time high as the couples open up about their relationships in a tear-filled and shocking first vow ceremony.

Having faced dizzying heights in episode one, the celebrity couples are pleased to have their feet back on solid ground.

In episode two, they tackle the manor's maze in an amusing test of trust and communication. After insightful feedback from the experts, contenders have just one night to memorize all they can about their partner's favourite topic. But with all-important points at stake, who will score the highest when put to the test?

The couples arrive at the manor, but before they unpack their bags, it's off to the lake for their first challenge where they attempt to build a bridge across the water in their pairs. Back on dry land, they meet host Rob Beckett and experts Anjula and Maria who have been watching their antics from the house. The couples get to know each other over dinner, before Rob reveals a terrifying challenge over breakfast that the cast are dreading in more ways than one.