December 2025 was a standout month for international television, with major franchises returning, finales driving conversation, and streaming platforms delivering high-impact content across genres. From fantasy epics and thrillers to long-awaited finales, several shows emerged as global favourites during the year-end period.
One of the most talked-about titles was Stranger Things, which remained firmly in the spotlight as anticipation peaked around its concluding chapters. With its emotional storytelling and large-scale spectacle, the series continued to dominate global streaming charts and social media discussions through December.
Fantasy drama House of the Dragon also maintained strong traction, with audiences revisiting earlier seasons and analysing character arcs ahead of future developments. The show’s intricate politics and cinematic scale kept it among the most-watched international series of the month.
On the thriller front, The Night Agent saw renewed popularity, driven by sustained word-of-mouth and binge-watching trends during the holiday season. Its fast-paced narrative and high-stakes drama resonated strongly with global audiences.
Superhero content continued to perform well with The Boys, which remained a consistent favourite thanks to its dark satire and complex characters. December viewership reflected ongoing interest in the show’s bold take on power and morality.
Period drama fans gravitated towards The Crown, which saw a surge in viewership as audiences revisited its later seasons. The series’ portrayal of modern royal history kept it relevant in global conversations through the festive period.
Meanwhile, Korean dramas continued their international rise, with Squid Game retaining strong global engagement through rewatches and cultural discussions, underscoring the lasting impact of Korean content on worldwide viewing habits.
December 2025 highlighted the truly global nature of television consumption, where audiences seamlessly moved between American, British, and Asian content. As streaming platforms continue to invest heavily in international storytelling, these shows set the benchmark for what resonated most strongly with viewers worldwide at the close of the year.