According to this article seaworld has announced it is going to phase out and replace the Shamu show with a more conservation geared orca exhibit.
http://www.sandiegouniontribune.com/news/2015/nov/09/seaworld-san-diego-phase-out-killer-whale-show/
http://www.sandiegouniontribune.com/news/2015/nov/09/seaworld-san-diego-phase-out-killer-whale-show/