Audience viewership According to
Variety,
The Copenhagen Test scored 1.1 billion streams in the weeks between December 27, 2025 and January 1, 2026, making it the third most viewed show in America at the time, surpassing Netflix's
Emily in Paris, HBO Max's
The Pitt, and Amazon Prime's
Fallout. It fell behind only
Stranger Things and
Landman in streaming viewership.
The Copenhagen Test also reached the number one spot on Peacock's top ten TV show list, and was deemed a "Streaming Success" mere days after its release. The Copenhagen Test debuted at slot number 10 on the
Nielsen Top Ten and drawing in the highest concentration of Black viewers (20%) and the highest concentration of Asian viewers (12%) across all top 10 titles.
Critical response On the review aggregator website
Rotten Tomatoes, the series holds an approval rating of 71% based on 24 reviews. The website's critics consensus reads, "After a slow start,
The Copenhagen Test solidly sprints into thrilling spy-fare territory with engaging performances from
Simu Liu and
Melissa Barrera."
Metacritic, which uses a weighted average, gave it a score of 61 out of 100 based on 8 critics, indicating "generally favorable" reviews. Ron Seoul-Oh of
Pop Culture News gave the show a 3/5, saying, "Through seven and a half of the eight-episode first season,
The Copenhagen Test is fast, exciting and intriguing. The binge drop on Peacock will be welcomed by viewers eager to click through to the next episode after each previous one ends. The finale however is where the pacing falters." Joel Keller of
Decider praised the show for "[feeling] mostly like a solid conspiracy drama with a little bit of sci fi mixed in." He also praised the performances, with
Liu and
Barrera singled out for their chemistry, and named
Saul Rubinek the "sleeper star" of the show. Rating the show 8/10, Jeff Ewing of
Collider wrote, "The Copenhagen Test is an engaging, entertaining spy thriller with a sci-fi edge. Liu serves as a strong lead for the series, boasting strong action chops and great chemistry with Barrera. [...] The Copenhagen Test is a thrilling series that seeds just enough of a sci-fi element throughout for something truly fresh in the spy genre. Saloni Gajjar of
The A.V. Club rated the show a C+, complimenting the performances of main cast members such as Melissa Barrera, "who kicks ass as Michelle and seamlessly plays the layered woman well," and
Sinclair Daniel, for a "
breakout" performance. However, she criticized the show for including too many plot twists to maintain their shock value, writing "[...] for a show that wants to be a wild ride, it can get borderline boring at times." ==References==