Wonder Woman talking about a diamond from the Zuiderzee. The Zuiderzee was a shallow bay located northwest of the Netherlands. The famous Pride of the Zuiderzee was a diamond that came from somewhere in or around this area. References ↑ As seen in the Superfriends season 1 episode The Planet-Splitter (1973). ↑ As seen in The Planet-Splitter (1973). External Link Zuiderzee at Wikipedia Retrieved from "https://superfriends.fandom.com/wiki/Zuiderzee?oldid=64981" Categories: Locations Real locations Community content is available under CC-BY-SA unless otherwise noted.