Suggest an edit16:55Vision On: Something beginning with D, such as Dunce and Dustbin and Dougal!BBC One Tue 29th Jul 1969, 16:55 on BBC One Londonwith Tony HartIntroduced for deaf children by Pat Keysell and Peter Pallettewith The Prof., Jonah Filopat and Patafil and Humphrey UmbrageContributorsPresenter/Artist:Tony HartPresenter:Pat KeysellDesigner:John BoneDirector:Alan RussellProducer:Patrick Dowling Source: Radio Times Suggest an edit