Most Watched TV Series of All Time Worldwide

There is no single official global ranking for the “most watched TV series of all time,” because television viewership is measured differently across eras, countries, broadcast networks, cable channels, and streaming platforms. However, based on a combination of global audience reach, streaming records, ratings, cultural impact, and long-term popularity, these series are widely considered among the most watched television shows ever.

1. Game of Thrones

• Original run: 2011–2019
• Network: HBO
• One of the most watched and discussed series in television history.
• Final season episodes regularly attracted tens of millions of viewers worldwide.
• Spawned the successful prequel House of the Dragon.

2. Friends

• Original run: 1994–2004
• Continues to generate massive global viewership through syndication and streaming.
• The finale attracted more than 50 million viewers in the United States alone.
• Remains one of the most rewatched sitcoms worldwide.

3. The Simpsons

• Running since 1989.
• Broadcast in more than 100 countries.
• One of the longest-running and most watched television franchises ever.

4. Stranger Things

• Netflix’s biggest English-language hit.
• Became a global phenomenon across multiple seasons.
• One of the most followed shows on TV Time worldwide.

5. Squid Game

• The most watched Netflix series launch ever.
• Reached more than 265 million views within Netflix’s measurement period.
• Popular in virtually every major streaming market.

6. The Walking Dead

• One of cable television’s biggest successes.
• Dominated ratings throughout much of the 2010s.
• Built a massive international audience and multiple spin-offs.

7. Grey’s Anatomy

• Running since 2005.
• Consistently ranks among the most streamed and watched drama series worldwide.
• Continues attracting new audiences through streaming services.

8. Money Heist

• Originally a Spanish television production.
• Became one of Netflix’s largest international hits.
• Helped demonstrate the global appeal of non-English-language television.

9. Breaking Bad

• Frequently ranked among the greatest television shows ever made.
• Gained enormous worldwide popularity through streaming after its original broadcast run.

10. The Office

• One of the most streamed shows in modern television history.
• Continues to attract billions of viewing minutes annually across streaming platforms.
• Maintains a huge international fan base.

Honorable Mentions

These series are also among the most watched and influential worldwide:

• Seinfeld
• M*A*S*H
• NCIS
• Lost
• The X-Files
• House
• Wednesday
• The Big Bang Theory
• Bluey

Most Watched Streaming Series Ever

Rank	Series
1	Squid Game
2	Wednesday
3	Stranger Things
4	DAHMER – Monster: The Jeffrey Dahmer Story
5	Bridgerton

Overall Global Cultural Impact Ranking

If influence, audience size, longevity, and worldwide popularity are combined, the strongest contenders for the title of the most watched TV series ever are:

1. Game of Thrones
2. Friends
3. The Simpsons
4. Squid Game
5. Stranger Things
6. The Walking Dead
7. Grey’s Anatomy
8. Breaking Bad
9. Money Heist
10. The Office

These shows reached hundreds of millions of viewers across traditional television, streaming platforms, syndication, and international broadcasts.