Bear demonstrates the tricky technique of commando crawling along a rope.

After a night out alone the kids are hungry and exhausted but must push on to reach the finale.

It is day six for the 12-15 year olds learning survival skills in Snowdonia, as the group face a scary abseil down a 110-foot cliff before gutting and skinning a rabbit for supper.

It's day 4 of the survival school. The girls vs the boys continues. Who will prevail?

Ten British children go on the biggest adventure of their lives. The young survivors have a day out at the seaside - but it is no holiday.

The 12 to 15-year-olds attempt to climb the famous mountain Tryfan in appalling weather.

The kids are taught to survive in the wild by the wilderness adventurer. The 10 young explorers are challenged to make their own shelter.

The cord is cut as Bear Grylls' Survival School students must leave the nest for the final expedition to the summit of Mount Cnicht in North Wales.

The students attempt a 'panther crawl' across a raging river, before building a shelter.

Day two sees the competition heat up as the camp splits into two teams - girls v boys.

With some of the students out sick for the day, the rest take on a raft challenge and cliff climb.

On day four, the students tackle their first mountain in North Wales - and get a rude awakening.

The would-be survivalists face a daring jump from a hovering helicopter into an ice-cold quarry.

The students get a nasty welcome to the jungle before climbing an ancient slate wall.