For his fourth season's opener, Danny is joined by actors Andy Griffith, Ronny Howard, and Clint Howard, as well as singers Susan Barrett and Donna Butterworth. Ronny convinces Danny to allow him to host his own variety show, "The Ronny Howard Show" with Danny as his first guest. Ronny and Clint appear in a sketch about toys. Danny stars in an adult spy-spoof which Ronny then apprises with a cast of children.
