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.

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.

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

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?

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.

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.

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.

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.

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 remaining celebrity recruits face a final, brutal challenge at the El Morado glacier, 3000 metres above sea level. A dozen celebrities started, but only a few have what it takes to complete the course.

The last seven celebs face the final brutal phase with a punishing interrogation with ice baths and burial to force a confession. Will they crack or make it through 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.

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.

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?

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 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.

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 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.

The remaining celebs face a punishing race across land and ocean before they plunge into an overnight pursuit by an elite hunter force across the Scottish Inner Hebrides.

The recruits face a killer 48 hours primed to expose the weakest members - including a beach beasting in near-freezing water and a gruelling race across mountainous terrain.

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?

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

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

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

The recruits get a rude awakening with some lessons in staying calm, tackling an emergency drill in a sinking boat before going head-to-head in combat with their fellow celebs.

16 celebrity recruits are pushed to their limit in the unforgiving Vietnamese jungle. The new recruits must first traverse parallel metal bars suspended 50 feet above the ground. Then they must fight against each other in the rawest form of combat.