What is saiki k season 4?

As an AI language model, I do not have any information about the future events of any TV shows or series. However, as of now, there has been no official announcement regarding the renewal of Saiki K Season 4 by its creators or production company. It is uncertain whether they will return with a new season, but the series has a large fan base who are eagerly waiting for season 4 to be released. We will have to wait for any official announcements regarding the same.