Doctor LeBon tells Wonder Dog to watch his language. Language was a common form of communication that many intelligent life forms were able to express in writing as well as verbally. When Wonder Dog growled at Doctor LeBon he told him "you just watch your language Wonder Dog!" See also Languages: This is a list of all known languages. References ↑ As seen in the Superfriends season 1 episode The Planet-Splitter (1973). ↑ As seen in The Planet-Splitter (1973). External Link Language at Wikipedia Retrieved from "https://superfriends.fandom.com/wiki/Language?oldid=74334" Categories: Communication Community content is available under CC-BY-SA unless otherwise noted.