Overview: Music: --Dean Martin - ""A Marshmallow World"" --Leslie Uggams - ""Fascinating Rhythm"" and ""Slap That Bass"" --Leslie Uggams and Dean Martin - ""Clap Yo Hands,"" ""Snap Your Fingers"" and ""Ac-cent-tchu-ate the Positive"" --Eddie Foy Jr. - ""Gigi"" --Steve Rossi - ""My Lonely Room"" Comedy: --Marty Allen and Steve Rossi do a sketch about lion hunters. --Jackie Mason talks about tax problems.