Dec. 26 (UPI) -- The highly anticipated finale of Gavin and Stacey was the most-watched Christmas Day program of 2024, with 12.3 million viewers. The series stars Mathew Horne and Joanna Page as Gavin and Stacey, with show creators James Corden and Ruth Jones as their friends Smithy and Nessa. Advertisement The overnight ratings of the sitcom's final episode marked the most significant Christmas Day viewership since 2008, surpassing the show's last holiday special five years ago. The BBC's