Fansubs
Although it is a violation of copyright laws in many countries, some fans watch fansubs, recordings of anime series that have been subtitled by fans. Watching subtitled Japanese versions, though not necessarily downloaded fansubs, is seen by many enthusiasts as the preferred method of watching anime. The ethical implications of producing, distributing, or watching fansubs are topics of much controversy even when fansub groups do not profit from their activities and cease distribution of their work once the series has been licensed outside of Japan.
Fansub groups usually consist of people who understand the language that is spoken in the anime they want to make subs(usually japanese language).
Here are few of those groups:
