Television finales tend to draw huge numbers. They can lure back in those who have stopped watching the show or even audiences who aren't fans. Some shows are so huge that their finale becomes an immense cultural event in and of itself. Some of these stand out above the rest, with staggering numbers of people watching.
https://www.cbr.com/most-watched-tv-...l-time/#cheers
Here are the top 15 most watched tv series finales
15. Gunsmoke 30.9 Million Viewers
14. Star Trek: The Next Generation 31 Million Viewers
13. Everybody Loves Raymond 32.9 Million Viewers
12. Dallas 33.3 Million Viewers
11. Frasier 33.7 Million Viewers
10. Home Improvement 35.5 Million Viewers
09. Family Ties 36.3 Million Viewers
08. All In The Family 40.2 Million Viewers
07. The Cosby Show 44.4 Million Viewers
06. Magnum, P.I. 50.7 Million Viewers
05. Friends 52.5 Million Viewers
04. Seinfeld 76.3 Million Viewers
03. The Fugitive 78 Million Viewers
02. Cheers 80.4 Million
01. M*A*S*H 105.9 Million