Without more specific information, here are a few general suggestions on where to look:
Thailand is famous for its luxury movie-going experience. It is often cheaper and far more luxurious than cinemas in the West.
Here is a useful guide covering the most likely cultural reference (The Moechella/Mœbius connection) and the practical travel alternative (Major Cineplex).
If you actually meant , Thailand’s largest movie theater chain, this is an essential guide for tourists and expats.