It was the most watched show on Christmas Day, with more than 11million people tuning in to find out what had become of Gavin, Stacey, Nessa and Smithy.
And of course to find out if we would ever discover what happened on that fishing trip between Uncle Bryn and Jason.
Alas, despite coming desperately close to revealing the biggest secret on television it was all a tease as Bryn was thwarted from unburdening himself by the arrival of Gavin and Stacey's three children. But, according to Wales Online , a scene where the details of the fishing trip are discussed was written but it never made it to air.
It's now been revealed the show's writers Ruth Jones and James Corden - who star as Nessa and Smithy - had originally planned to explain the fishing trip in series two, but ended up changing their minds about the idea.
Lisa Edwards, who owned the house the show used as uncle Bryn's home, still has a script of the episode that millions of fans want to watch the most.
Speaking previously she said: "We have a script for an episode which was never aired.
"It was supposed to be Uncle Bryn and his nephew watching this VHS."
She added: "They both watch it together to see what happened on the fishing trip. But they decided to not show the episode."
Fans were once again left without an answer on what happened during the trip as the mystery continues to intrigue millions of viewers.
The popular sitcom, which was first aired on BBC Three, was the most-watched Christmas special since 2008 and and secured a 49.2% audience share, according to the BBC.
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