Gavin and Stacey co-creator James Corden (Smithy) has revealed a sneak peek on set as filming for the final episode of the BBC series begins.

The beloved sitcom written by Ruth Jones (Nessa) and Corden will return on Christmas Day this year.

On Monday (September 2) the broadcaster shared a photo of a clapperboard, dated September 2, which said “Gavin & Stacey The Finale”.

Gavin & Stacey: The Finale has started filming, the BBC says.

In reference to a phrase often muttered by Alison Steadman’s character Pam, the caption read: “Oh. My. Christ.”

“The final episode of Gavin & Stacey started filming today,” it added.

“Truth be told, we’re a little bit excited.

“Watch #GavinandStacey on #iPlayer this Christmas Day.”

But Corden has also teased fans after posting a picture to........

© South Wales Argus