Continuing to write for Skelton and Hope as he moved into television, Douglas also wrote for Jimmy Durante, Bing Crosby, Woody Allen, The Adventures of Ozzie and Harriet, The Jack Paar Show, The George Gobel Show and Laugh-In.
Douglas and his third wife Reiko, a Japanese-born singer and comedian, were regular guests on shows hosted by Merv Griffin, Dick Cavett and Johnny Carson.