1. Sonny and Cher open the show with ""That'll Be the Day"" and banter about the Presidential candidates. In a comedy blackout, Alvin (Sonny) confides to Laverne (Cher) that he has feelings for her. 2. Italian film director Vente Nove (Sonny) shows his four-minute original disaster movie, ""The Towering Poseidon Quake Port Hinden Jaws Follies '78."" 3. Sonny and Cher perform ""Silly Love Songs"" with Donny and Marie. 4. ""The Battle Of the Sexes"" -- Cher plays a liberated wife who's accused of seducing her neighbor's (Ruth's) husband (Alex) and breaking his heart. 5. Cher sings ""It Had To Be You"" 6. ""The Channel 86 Cutesy News"" -- Sonny and Cher co-anchor the news program with Ruth, Alex and regular Ted Zeigler. In comedy sketches, West Point's first female cadet commander (Ruth) inspects the barracks; tennis pros Jimmy Connors (Sonny) and Chrissy Evert (Cher) break off their relationship while dining out; and Monty Hall (Alex) gets his first situation comedy. 7. Sonny and Cher close the show