The "I Am Number Four" Vietsub exclusive likely refers to a Vietnamese subtitles version of the movie that was released exclusively by a fan-made Vietsub group.
The film stars Alex Proyas as John Smith / Number Four, an alien who claims to be from a planet called Lorien, and Skyler Gisondo, and also stars Timothy Olyphant, Teresa Palmer, Callum Keith Rennie, and Anthony Mackie. i am number four vietsub exclusive
The film received mixed reviews from critics but was a commercial success, grossing over $150 million worldwide. The film's success led to the development of a sequel, which was planned but ultimately canceled due to poor reviews and underwhelming box office performance. The "I Am Number Four" Vietsub exclusive likely