TMDb/The Copenhagen Test TV Peacock cancels 'The Copenhagen Test' after one season. Simu Liu stars in this sci-fi espionage thriller about a hacked intelligence analyst. April 17, 2026 AceShowbiz - The Copenhagen Test has been canceled by Peacock after airing just one season, Variety reports. The espionage thriller, which premiered all eight episodes in late December 2025, will not return for a second season despite receiving generally positive reviews from critics.