Carol Lawrence / Bob Denver / Val Doonican

--Des O'Connor (Summer 1970 host) - ""With Pen in Hand,"" ""Sign of the Singing Symbol,"" ""Applause"" & ""Anytime"" --Carol Lawrence and Des O'Connor - ""I'll Never Forgive Myself"" --Carol Lawrence - ""What are You Doing the Rest of Your Life?"" --Bob Denver (actor-comdian) --Val Doonican - ""Agricultural Irish Girl"" --Val Doonican and Des O'Connor - medley: ""I Love Because,"" Welcome to My World"" & ""That's Why I Love Her""