Two teens from very different backgrounds head to the party island of Kos. 18-year-old Sophie from Sussex is leaving behind her strict Jehovah's Witness parents for her first holiday without them, while in Kent 19-year-old exhibitionist and mummy's boy Ronnie is also looking forward to the freedom of his first lads' holiday.

In Malia, Joe and his pals get up to all sorts and Millie lets loose with her girlfriends.

In Ibiza, Rob escapes for a pre-university blowout and Hollie starts attracting the lads.

Ladies man David and rugby lad Greg party hard with their mates in Ayia Napa.

Becky and Chelsea's fun in Corfu is secretly monitored by Becky's strict father Chris.

Party girl Jenn and sheltered James get a taste of freedom on the Greek island of Zante.

As the teenagers hit the town, Rhys and his friends attempt to charm the ladies.

Catch-up on the series where parents secretly kept tabs on their teenage kids' holidays.

Kent lad Andy and Lancashire wild child Adina holiday in the party town of Malia.

Asher's group fight with fire extinguishers and Charlie's group ends up in the hospital.

Tom and Lyndsey get set for a wild holiday of a lifetime in the hotbed of hedonism.

Ollie and Shannon, there are highs, lows and very bad behaviour in Ibiza.

It is sun, sex and excess on Zante for Newcastle student Alex and Brighton ladette Sophie.

Catch-up on the series where parents secretly kept tabs on their teenage kids' holidays.

Jemma from Burnley and Ashley from Cardiff head to Mallorca for a no-holds-barred holiday in Magaluf.

A 19-year-old fitness fanatic and an 18-year-old trave to the party resort of Malia for a holiday with friends, unaware that their parents are watching everything that they get up to.

An 18-year-old from Norwich and a 19-year-old from Southend travel to Zante for a holiday with friends, unaware that their parents are watching everything that they get up to.

Mummy's girl Chani and university-bound Max from Kent head off for a week on the party-filled Greek island of Kos.

Two 18-year-old boys with different lives head off to the Greek party island of Zante.

Two 19-year-old homebodies head off to the Greek party town of Kavos.

Londoner Ashleigh and Tom, from Bolton head off to the clubbing capital of Cyprus; Ayia Napa.

Back in the UK, parents and teens talk about their experiences, plus series highlights.

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.