Susan is busy cooking for a dinner party, and she is one chair short. She asks Big Bird to go borrow a chair from Mrs. Rodriguez down the street.
Michael Landon and the Bonanza cast add two horses and one horse to make three horses.
Big Bird thinks Mrs. Rodriguez is hard of hearing.
Ernie and Bert: Bert says that he's going to demonstrate quiet by talking quietly to Ernie. But when he tries, Ernie claims that he can't hear what Bert is saying. Finally, Bert gets frustrated and shouts at Ernie; Ernie tells Bert not to be so loud.
Sherlock Hemlock and the Missing Chicken Salad Sandwich: Ernie opens his lunchbox and finds that half of his chicken salad sandwich is missing. Sherlock Hemlock, the world's greatest detective, investigates this fiendish crime. It turns out that Sherlock himself ate half of Ernie's sandwich. (First: Episode 0131)