This documentary is a celebration of Gavin & Stacey, featuring cast, crew and celebrity fans.

We talk to stars including Alison Steadman, Larry Lamb and Melanie Walters as we go behind the scenes to find out who couldn’t stop giggling on set and what really happened when the cameras stopped rolling.

Larry Lamb and Alison Steadman (Picture: Everett Collection Inc / Alamy Stock Photo)

Location manager Nicky James lets us in on filming secrets, including how they managed to pull off that cliff hanger finale, despite hundreds of fans turning up to watch.

Robert Wilfort and Melanie Walters (Picture: Everett Collection Inc / Alamy Stock Photo)

And we re-visit our favourite scenes while fans of the show including Ruth Langsford and Tamzin Outhwaite tell us just what it is that makes us love Gavin & Stacey.

Ruth Jones, Mathew Horne, Joanna Page and James Corden (Picture: Collection Christophel / Alamy Stock Photo)

We Love Gavin and Stacey airs at Saturday 15th August at 9pm on Channel 5.