The last celebs are handed over for interrogation. Do any of them make it through?

It’s all about survival as the celebs do circuits and an escape-and-evasion exercise.

The spotlight focuses on the Special Forces' high levels of discipline. In the first task, a terrifying feat tests the celebrities both mentally and physically as they race in a forward abseil down a 300-ft working dam. Then, under cover of darkness, the recruits must perform one of the most feared tasks - the backwards dive. Will the celebrity recruits conduct themselves in the manner required?

It's time for some true grit, an ambush, dead-of-night escape and mud wrestling

Chief instructor Ant Middleton and his directing staff put the celebrity recruits through a series of tests. One celebrity recruit collapses on a mountain and another is badly affected by the extreme cold, as they face brutal challenges.

The celebs are ambushed as they battle to complete the course.

After a plunge in freezing mountain water the celebs must take on the Redman.

For the series finale, the five remaining celebrities endure intense interrogation. The interrogators subject the exhausted and hungry recruits to punishing techniques as they attempt to unpick their cover story and reveal their true mission.

As the climax of the current series, the last six celebs go through 48 hours of torture for the interrogation phase. Only the physically and mentally elite will make it to the end.

The celebrity recruits undertake an insertion task, where they must jump from a moving boat onto a passing helicopter, before climbing up into the cabin.

Forced into a gassing task, the recruits need all their solidarity for a hostage rescue. Camaraderie is also vital as they climb multiple rock faces on an ammo supply mission.

The recruits must protect a VIP on a journey through the wilderness.

The celebs are paired with an 'oppo' for support. But then they have to fight each other.

The celebrities are paired up to prove that they're team players, and must put their lives in each other's hands, in a terrifying free fall abseil. They must leave their celebrity world behind and learn to trust their partner to keep their place.

Rebecca Loos, Louie Spence and Conor Benn are among the 14 celebrities taking on the most challenging selection course in the world. This series comes from Wales, the birthplace of the Special Forces. For their first task, the celebs must plunge into the freezing sea, swim to a rendezvous point and attempt to jump onto a moving speedboat.

In the second selection phase, the celebs face murderball, a brutal beasting, a backwards helicopter dive into near-freezing waters, and a few home truths.

The last five recruits are on the run from a specialist hunter force who are trying to track and capture them. If captured, the recruits will face the most psychologically demanding of all the phases, interrogation.

It's the final countdown as the recruits face their last but toughest challenge: a 12-hour interrogation including hoods, stress and extreme noise. Only the strongest survive.

The recruits are hurled into an explosive task, hauling 200kg of kit under fire. A failed rescue mission, a brutal task and rising pressure test group bonds as armbands are stripped and emotions laid bare.

The recruits must make split-second decisions about whether to shoot in a simulated warzone. Then the recruits are forced to dive backwards from a seven-metre platform into the Gulf of Aqaba in the dead of night.

14 celebrity recruits face the toughest course to date, played out in the unforgiving terrain of the Jordanian desert. The recruits face an intense start to the course, crawling through sand in blistering 40-degree heat, before facing a gas attack.

Celebrities who think they have what it takes to pass the SAS selection are pushed to their limit by an elite team of ex-special forces operators. Fifteen recruits from the worlds of entertainment, sport and journalism take part in the hardest course yet, as Chief Instructor Billy and his team expose them to winter warfare training on New Zealand's South Island. For their first task, the celebs must traverse the Trainasium - parallel metal bars suspended 335ft in the air. Then, the recruits' mindsets are tested under extreme pressure when they stage an intense hostage rescue mission.

The emotional strain is cranked even higher as the escape and evasion challenge leads the remaining celebs into the darkness, where they must somehow navigate through the unknown.

The last five celebs are put through two gruelling tasks, before being sent on the run for an escape and evasion manhunt. Who has the mental resolve to make it to the end?

A perilous ladder escape, 15 metres up, is followed by a scorching ammo mission up the side of a mountain, as one recruit's lack of leadership is exposed for all to see.

High-wire terror 165 feet above a canyon, brutal combat with the notorious Redman, and emotional death letters home push some of the recruits' composure off the graph.

The celebrity recruits must jump from a helicopter in pairs. Next, they take the life of a teammate in their hands as one of them free-falls from a 150-foot cliff, being kept from crashing to the ground by their partner.

Phase two pushes recruits to breaking point with psych tests, split-second life and death decisions, mud tunnels and a brutal beasting that forces one of the celebs out.

The recruits are put in pairs to eat, sleep and work as a duo, including a 60-metre cliff drop together. Can leaders Joey Essex and Lauren Steadman do teamwork or are they at risk?

The celebrities face the penultimate survival phase of the course, where they prepare for life on the run behind enemy lines. An ambush triggers traumatic memories for AJ Pritchard. Messages from home threaten to unsettle the recruits ahead of the escape and evasion phase, while Calum Best leads his team astray as they try to avoid capture by a relentless Hunter Force

Twelve celebrities, from Katie Price to Joey Essex, leave their glamorous homes to take on the SAS selection course, the toughest challenge of their lives. Who will pass this test?

The 12 celebrities take on hand-to-hand combat, then put their wits to the test in a hostage rescue mission. With tension mounting, two of the recruits are soon heading home.

Decades of rivalry are tested as 14 British and Australian celebs take on an SAS selection course. First up is an underwater drill and it's Brits vs Aussies in hand-to-hand combat.

The celebs do pair work as they descend 100 feet down a rock face, force march and carry a 40kg fuel drum over rough terrain. By the end of all this, some will be heading home.