""Don Adams Investigates The Detectives"" Sketches: --""Sam Spade and the Maltese Parakeet"" with Don Adams (imitating Bogart), Raymond Burr, Will Jordan and Elisha Cook. --Don Adams also plays Charlie Chan --""Tony Romeo"" with David Janssen --""Four on the Isle"" - a spoof of Agatha Christie's ""Ten Little Indians"" Also blackouts spoofing ""The Untouchables,"" ""Dragnet"" and ""77 Sunset Strip""