1. Suspected of violation. This may be because the program group deleted some questions in order to comply with relevant regulations or avoid possible legal disputes.
2. The participation of some singers. Some singers may not be able to continue to participate in the recording for some reasons, resulting in the cancellation or replacement of related programs.
Specifically, the reasons for the lack of several issues in the fourth season of I am a singer may involve the above factors. In order to obtain more accurate information, it is recommended to consult the relevant announcements or news released by official programs or consult relevant personnel.