JAMES Corden almost had to completely rethink Smithy’s Gavin & Stacey stag do because one of the actors had entirely disappeared.  The original actors who played the lads’ group of

Gavin and Stacey fans have spotted an 'error' in the final episode of the popular sitcom, which aired on Christmas Day.

However, during the moving monologue, fans noticed a major continuity error. In the scene, Mick stands up with a full pint in his hand while addressing their group. But, in the middle of the speech, the drink suddenly appears to be half-full before returning back to full again.

EXCLUSIVE: The final episode of Gavin and Stacey saw Smithy go on his stag do and celebrate with his old pals but one of the lads has lifted the lid on what really went down

Gavin and Stacey came to an end on Christmas Day as the cast and fans alike were left in tears at the emotional ending, but one big character was missing from the festivities