Would you like a more detailed timeline of 123Movies’ rise and fall, or more info on where to stream the Tron movies now?

123Movies was a popular pirate streaming site that hosted thousands of movies and TV shows for free, including both Tron films. Users could watch Tron (1982) or Tron: Legacy without paying. The site changed domain names multiple times (123movies.to, .is, .ly, etc.) to evade authorities.

It sounds like you’re referring to the movie Tron (likely the 1982 original or Tron: Legacy from 2010) and the now-defunct streaming site .