Guests: Bob Newhart, The First Edition, Paul Hampton, the West Coast Cast of Hair; Opening Teaser - Tom & Dick; 'But You Know I Love You' - The First Edition; Stand-Up - Bob Newhart; Indianapolis Racing - short film; 'Aquarius/Hair/The Flesh Failures (Let the Sunshine In)' - The West Coast Cast of 'Hair'; 'They Call the Wind Maria' - Tom & Dick; Finale: 'What Would Happen If?' - Tom & Dick, Bob Newhart, Paul Hampton, Steve Martin, The First Edition; Goodnight and Credits (thetvdb.com)