Top 20 Netflix Series: A Look Back at the Most-Watched Shows of the Last 4 Years (2026)

Netflix's viewing data transparency has been a game-changer for the streaming giant, offering a unique glimpse into viewer preferences and trends. The biannual 'What We Watched' reports, which ceased in 2026, provided a fascinating insight into the platform's most-watched content. Here's a deep dive into the top 20 shows, revealing the unexpected gems and the enduring popularity of certain franchises.

  1. Squid Game Season 2: 225.4M Views
    The Korean sensation continues to dominate, with Season 2 surpassing all expectations. The wait for the second season was worth it, as it amassed a staggering 54 million more views than its closest competitor. Squid Game's success is a testament to its global appeal and the power of word-of-mouth.

  2. Adolescence: 171.6M Views
    This one-shot limited series, starring Stephen Graham and Jack Thorne, was a phenomenon. Its Emmy and BAFTA awards are well-deserved, and its high viewership cements its place as a must-watch. The series' impact extends beyond the screen, sparking conversations and engaging audiences worldwide.

  3. Squid Game Season 3: 155.8M Views
    Squid Game's third season premiered in June 2025, solidifying its place as a Netflix juggernaut. The franchise's success is a testament to its unique storytelling and the platform's ability to create global phenomena.

  4. Bridgerton Season 3: 154.2M Views
    The Bridgerton series keeps on giving, with Season 3 proving to be a hit. The show's blend of historical drama and modern romance has captivated audiences, and its high viewership reflects its enduring popularity.

  5. Stranger Things Season 5: 149.1M Views
    The final season of Stranger Things secured its place in the top 20, with all five seasons amassing over half a billion views. This sci-fi masterpiece has become a cultural phenomenon, with its intricate storytelling and captivating characters.

  6. Fool Me Once: 138.3M Views
    Harlan Coben's series, starring Michelle Keegan, has been a hit. The show's success lies in its gripping narrative and the writer's ability to create compelling, bankable content.

  7. Ms. Rachel Season 1: 137.5M Views
    In a world dominated by streaming giants, Ms. Rachel's rise to the top is intriguing. The children's music specialist's show has captivated young audiences, showcasing the power of educational content in the streaming era.

  8. Wednesday Season 2: 133.1M Views
    Tim Burton's Adams Family series, starring Jenna Ortega, secured its second spot. The show's success is a testament to its unique blend of horror and comedy, appealing to a wide audience.

  9. Stranger Things Season 1: 127.5M Views
    Stranger Things' first season, released in 2017, remains a fan favorite. Its strong performance over the past four years highlights the show's enduring appeal and the platform's ability to curate quality content.

  10. Peppa Pig Season 6: 127.4M Views
    Peppa Pig's rise from a small British show to a Netflix giant is remarkable. The British animation's success showcases the platform's ability to adapt and cater to diverse audiences.

  11. One Piece Season 1: 125.6M Views
    The live-action adaptation of the Japanese manga series has been a hit. One Piece's high viewership reflects the platform's ability to attract a dedicated fan base.

  12. Wednesday Season 1: 124.5M Views
    Jenna Ortega's performance in the first season of Wednesday solidified its place in the top 20. The show's success is a testament to its unique take on the Adams Family legacy.

  13. The Gentlemen: 105.8M
    Guy Ritchie's drug caper, starring Theo James, was a Brit hit. The show's success showcases the platform's willingness to embrace diverse storytelling and talent.

  14. Young Sheldon: 104.2M Views
    Chuck Lorre's comedy has proven the importance of acquired library content. Young Sheldon's high viewership reflects its ability to resonate with audiences.

  15. His & Hers: 104M Views
    The Jon Bernthal and Tessa Thompson drama became Netflix's most-watched show in the first half of 2026. Its success highlights the platform's ability to produce compelling original content.

  16. Baby Reindeer: 103.5M Views
    One of the most discussed Netflix series, Baby Reindeer was an unexpected breakout. Its success is a testament to the platform's ability to discover and nurture talent.

  17. La Palma: 102.3M Views
    The Norwegian limited series, La Palma, was a sneaky hit. Netflix's sequel plans, titled Florida, showcase the platform's commitment to expanding its content library.

  18. Stranger Things Season 2: 101.8M Views
    Stranger Things' second season, released in 2017, performed strongly. The show's consistent performance over the years highlights its enduring appeal.

  19. Squid Game Season 1: 101.6M Views
    Squid Game's first season, released two years before the reports began, secured its place. The Korean franchise's success is a testament to its unique concept and global impact.

  20. Untamed Season 1: 101.1M Views
    The crime drama, starring Sam Neill and Eric Bana, was a popular choice. The show's success showcases Netflix's ability to cater to diverse tastes.

In conclusion, Netflix's transparency has offered a fascinating insight into viewer preferences. The top 20 shows reveal a mix of established franchises, unexpected hits, and diverse content. As the platform continues to evolve, these insights will be invaluable for creators, investors, and fans alike, shaping the future of streaming entertainment.

Top 20 Netflix Series: A Look Back at the Most-Watched Shows of the Last 4 Years (2026)

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