Peacock has canceled “ The Copenhagen Test ” after just one season, Variety has learned exclusively. The espionage thriller series, which was led by Simu Liu, dropped all eight episodes of its one and only season on Dec. 27, 2025. “The Copenhangen Test” was received mostly positively by critics, with the show holding a 71% critical approval rating on Rotten Tomatoes. However, it failed to find a wide audience. According to Nielsen data, the show racked up 373 million minutes viewed for the week