It is buckets of booze, ladyboys, pole-dancers and 'tactical vomiting' for two very different groups of mates on the island of Koh Samui, Thailand's original party destination.

Unsuspecting young people fly over 6,000 miles away from home for the holiday of a lifetime in Thailand, little knowing that their parents will be following them and watching their every move. It's a baptism of fire for our kids as they fly long haul to the Thai island of Koh Phangan, famous for its wild full-moon parties.

Unsuspecting young people fly over 6,000 miles away from home for the holiday of a lifetime in Thailand, little knowing that their parents will be following them and watching their every move. Two groups of boys join the 25,000 party goers that head to Koh Phangan's famous Full Moon Party.

Unsuspecting young people fly over 6,000 miles away from home for the holiday of a lifetime in Thailand, little knowing that their parents will be following them and watching their every move. Two very different young people head to the beautiful Thai island of Koh Phi Phi. During the day this tiny island is a peaceful paradise, but at night it is party central, with fire shows and buckets of booze.

Two young people head to the beautiful and hedonistic Thai island of Phuket for what they think is their first ever holiday away from their parents, but what they don't know is that their parents will be there too, spying on the sly and watching everything they get up to.

Billy from Bristol and Agi from Essex head to Koh Samui, home of the Full Moon parties.

A look back at the fourth series, in this episode, the parents and the teens talk about their experiences on the show and what happened after.