The actor said there are no plans for more episodes but that the Christmas special cliffhanger could be resolved.
The actor said he wasn't aware of any plans for another episode following on from the 2019 Christmas special.
Following the announcement that BBC Three will be given the reboot in 2022, let's take a trip down memory lane at some of their best shows.
The show's co-creator admitted she and James Corden had not been working on new episodes of the show.
Ruth Jones has revealed she will write with James Corden again, but said it 'may not be Gavin & Stacey'.
'Gavin and Stacey' actor Mathew Horne has said rumours of a new Christmas special this year are 'ridiculous' as he addressed the future of the much-loved comedy.
The actor - who plays Uncle Bryn on the show - was surprised when co-creators Ruth Jones and James Corden came to him with the Xmas special.
Pair release joint statement after official viewing figures reveal Christmas special episode was most viewed BBC show since records began
The star says the Christmas special would never have made it to air without the best scene he and Ruth Jones have ever written.
The actress took her niece on a reconnaissance mission to Barry in south Wales to see if they would be able to film in 'Stacey's house' again.
The BBC hid the trailer at the end of the first Gavin & Stacey Christmas special on the BBC iPlayer.
The sitcom star and chat show host said he and Ruth Jones wrote the new episode over Facetime.
Fans who went to watch filming on location in South Wales were treated to free ice creams
'Gavin & Stacey' is returning for a Christmas special, but there are a tonne of threads from the original show for it to pick up.