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.

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.

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.

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.

Our unsuspecting young people head to Sunny Beach, Bulgaria's most popular resort, where thousands of teenagers party hard each year. Little do they know that their parents will be following them, watching their every move.

Two twentysomethings head to Malia, on the Greek island of Crete, where thousands of Brits flock to party all night long.