Gavin and Stacey's return will be a "nostalgic joy-bomb," James Corden has said.
The hit sitcom is returning to BBC One for a one-off Christmas special.
And Corden, who created the show with Ruth Jones , told The Sunday Times Culture magazine: "We owed it to the characters...
"We wanted to see if there was something there, and for a while we weren't sure.
"Then, once there was, my feeling was, life's too short. Fear is the absolute reason to do it."
Asked if Brexit will be the subject of debate at a family dinner in the sitcom, he said: "We did talk about it. But we just want the new show to be a nostalgic joy-bomb."
The show starred Mathew Horne and Joanna Page, as well as Corden and Jones.
Corden, who is hosting this year's Tony Awards, and Jones will return to their roles as Smithy and Nessa, alongside the other supporting cast - Rob Brydon, Larry Lamb, Melanie Walters and Alison Steadman.
Gavin and Stacey aired over three series, plus a Christmas special, from 2007 to 2010 on the BBC.
It told the story of Gavin (Horne), from Essex, and Stacey (Page), from Barry in Wales, who fell in love and married after speaking on the phone to each other every day at work.
The 2010 New Year's Day finale was watched by more than 10.2 million viewers.
