James Corden explains reasoning behind ‘trick’ Gavin and Stacey plotline

James Corden has admitted he wanted to “trick everybody” with the plotline for Gavin and Stacey’s eagerly awaited finale.

At the wedding, Gavin, played by Mathew Horne, stands up to tell his friend Smithy that he is making a mistake.

Corden told a panel at a screening of the finale in London, when asked about the “bait and switch” storyline.