Below is the list of purposes of apple watch theater mode:-

1. The screen wake feature is disabled, preventing automatic screen activation.

2. Audible alerts are silenced, but notifications are still received via active haptics.

3. Helps maintain privacy in secluded or quiet environments, protecting sensitive information.

4. Ensures you don’t disturb or get disturbed during movies, meetings, or other quiet settings.

5. Can be easily activated via the Control Center for quick and efficient access.