All timing is flexible; instructors can trim or extend sections to fit the class’s energy level.

Many older releases, including 80, were praised for being straightforward and fun, whereas some newer versions have been critiqued for focusing more on hardcore athletic training over the "fun" element.

Les Mills choreography and branded releases (e.g., BodyAttack Release 24) are copyrighted. Official class content, music and video should be obtained through licensed Les Mills channels or authorized providers. Sharing or downloading copyrighted Les Mills releases via unofficial torrents is illegal and may violate copyright laws and usage agreements.