However, Star Trek: The Next Generation is often considered the most popular, due to its:
* Long-lasting impact and influence: It significantly expanded the Star Trek universe and introduced iconic characters like Picard, Data, and Worf.
* Critical acclaim and awards: It won numerous awards, including Emmys and Hugo Awards.
* Strong fan base: It boasts a large and dedicated following to this day.
* High ratings and viewership: It achieved high ratings during its run, rivaling its predecessor, The Original Series.
While Star Trek: The Original Series holds a special place in history as the first, and it has a very dedicated fanbase, The Next Generation achieved greater critical acclaim and broader appeal.
Ultimately, the most popular series depends on how you define popularity. But Star Trek: The Next Generation is a strong contender based on its impact, critical reception, and enduring fan base.