I’m a Celebrity will return to British TVs on Sunday and it promises to raise the stress levels of its stars like never before.

Ant and Dec, the presenters of the contest have devised an approach to ensure that the 10 new celebrities entering the competition get the best introduction possible with creepy crawlies and other critters.

Dec and Ant will be the ITV Show’s 21st host. Ant said that it would be more difficult than ever.

Presenters Ant and Dec have worked out a plan to ensure the 10 latest celebrities to enter the competition are given the bumpiest introduction ever

Ant and Dec devised a strategy to make sure the 10 most recent celebrities who enter the contest are introduced with the best possible ease.

“All of the celebrity will have to face some difficult obstacles on the way to the Castle to get the keys.

These year’s stars include presenter Frankie Bridge and pop star Frankie Bridge. Also, former BBC Breakfast host Louise Minchin and music producer Naughty Boys. TV host Richard Madeley. Olympic gold medallist Matty Le, Paralympic gold winner Kadeena cox. Footballer David Ginola. Choreographer Arlene Phillips. Radio 1Xtra DJ Snoochie Shy. Emmerdale Star Danny Miller.

MailOnline has revealed that Naughty Boy (Louise), Snoochie (Danny) and Snoochie will be four of the first celebrity targets in the program.

All eight celebrities are then forced to endure the last trial of the first show - ¿Turrets of Terror¿, a huge three level structure positioned in front of Gwrych Castle

All eight celebrities are then forced to endure the last trial of the first show – ‘Turrets of Terror’, a huge three level structure positioned in front of Gwrych Castle

The celebs will ‘Walk the Plank’ on scaffolding that is suspended above a quarry. This drop has a depth of at least several hundred feet. They will wear a bungee line to protect their lives.

Dec confirmed Dec’s four-man challenge and said they would be facing off in the first round on Sunday.

Louise will meet Danny. Naughty boy will meet Snoochie.

Dec said: “The winner team will be able to choose which celebrity from the other group they will use for the next challenge.”

Ant stated that the winner of the keys would have the opportunity to camp at Castle Camp with a bed and warm fire, as well as a Sunday meal.

He stated that those who lose will be exiled to the Castle Clink and be fed basic foods.

Frankie Bridge undergoing the 'Turrets of Terror'. She and Richard Madeley are chosen as team leaders

Frankie Bridge undergoes the ‘Turrets of Terror. Richard Madeley and she are selected as the team leaders

‘Not the place you want to be,’ he said.

Danny became petrified after realizing that the helicopter would fly him and the other three celebs safely to the quarry.

The helicopter scared him, and he told producers that he didn’t want to be all sick over celebrities.

A sick bag was handed to him as an extra safety precaution during the trip to the quarry.

The 21st I’m A Celebrity…Get Me Out of Here! The second annual event will take place at Gwrych Castle Abergele in North Wales.

Ten celebrity campers will be spending up to three weeks exploring the Welsh countryside and castle surroundings. There are many surprises waiting for them.

David, Arlene (with Matty) and Kadeena will appear in the Welsh Forest where Arlene gives out a message from a laminate to each person.

This year's celebrities include Radio 1Xtra DJ Snoochie Shy, pictured attached to a bungee rope for a challenge

Radio 1Xtra DJ Snoochie Shy was this year’s star. She is attached to a rope with bungees for the challenge

This message reads, “Celebrities! Welcome to Wales! Now, you four must go into combat and try to take the keys of the Castle.

‘By winning the keys, you will have access to the Castle’s main camp, with a bed, a warm fire and a meal tonight.

“The loser will be sent to Castle Clink, where they will receive basic food.

Celebrities battle it out in pairs: David and Arlene against Kadeena or Matty.

Snoochie Shy and Naughty Boy 'Walk the Plank' on a scaffolding over a disused quarry with a drop of several hundred feet

Snoochie Shy and Naughty Boy ‘Walk the Plank’ on a scaffolding over a disused quarry with a drop of several hundred feet

One yellow and one red flare box were provided. To unlock the flare, the pair must lie down and place their arms into hellholes.

All eight celebrities are then forced to endure the last trial of the first show – ‘Turrets of Terror’, a huge three level structure positioned in front of Gwrych Castle.

Ant and her husband turned to Turrets of Terror. Ant explained that two keys were suspended high between two Turrets. First celebrity to reach the top to grab their key wins.

Team captains Frankie Bridge and Richard Madeley. Ant who with Dec will front the ITV show for the 21st time, said: 'This year is going to be tougher than ever

Team captains Frankie Bridge and Richard Madeley. Ant will co-host the ITV program with Dec.

Ant tells celebs that each Turret is composed of three floors and stairs which lead to the next level.

“But, in order to move to the next floor you must pass through a locked gate. To unlock each gate, you will need the keys for each floor.

You must reach the top of the turret to grab your key. Then, use your lance for hooking it and dragging it back to you. It is the first celebrity who retrieves their key that wins.

Frankie Bridge, Richard Madeley, and Frankie Bridge were chosen to lead the team.