Dappy, Tulisa and Fazer take a trip down memory lane, comfort crying fans at a signing and narrowly avoid a punch-up at a celebrity football tournament. Cameo's in this episode include Lee Ryan, Gordon Smart, Nathalie Emmanuel, Jamie Archer, Danyl Johnson and one of N-Dubz's enemies Lethal Bizzle.
The group go to a country recording studio where they lay down a new single with Mr Hudson, and Dappy gets a visit from his son, Gino. Later, Tulisa acts alongside Rochelle from The Saturdays in a new Brit flick before finding herself in a compromising position at a gig in London.
N-Dubz tour round Greece where things don't go to plan with Dappy going missing at the airport and almost missing the flight. Tulisa is thrown into the sea by the boys and then ditches the band for a break in Ibiza where she calms down.
The band have a big bust up, run riot on the T4 set, Dappy makes peace with the police, Tulisa regrets asking the boys to help paint her new home and the group go to the Glastonbury Festival.
Tulisa learns boxing and how to ride a horse. Dappy and Fazer consider buying a house in the country, and the band go to T4 on the Beach.
This final episode in the series looks back on the highlights of the run, including a row in Greece and a memorable appearance at a festival.