Gavin and Stacey
The beloved actor was cut from the script.
James Corden has previously shared the teen actor's history with the show.
The much-loved festive special sounds like it was as much fun for the cast to make as it is for us to rewatch every December.
He and Ruth Jones have also opened up about their plans to work together again in the future.
One of the Gavin & Stacey character's defining traits was actually all Rob's idea.
The festive classic is worthy of repeat viewing every December.
The award-winning sitcom will return for one last episode on Christmas Day.
The pair brought an abrupt end to their professional relationship after a string of critical flops.
Smithy and Nessa's "messy and complicated" romance has kept fans hooked for the last 17 years.
It's all the trivia, Mick. I just love it.