Rob Brydon, known for his role as Uncle Bryn in Gavin and Stacey, has shared insights about the upcoming Christmas special episode, expressing excitement about the script and not wanting key mysteries, like the fishing trip, to be revealed. Despite leaks and secrecy surrounding the finale, the cast is eagerly anticipating filming, with James Corden and Ruth Jones keeping the script tightly under wraps. Brydon found it challenging to keep the news of the final episode a secret, emphasizing the significance of the show to fans and the thrill of working on the beloved series after a long hiatus.