SAS: AUS v ENG

Famous faces raise money for charity by undergoing a training course in harsh conditions designed to replicate British Army Special Air Service selection.

The remaining celebrities must pull themselves across a 300-foot-wide ravine, before dropping 160 feet to the extraction point.

It's survival of the fittest during a bout of pontoon wrestling. The remaining recruits are ordered to head off into the jungle on a risky mission behind enemy lines.