Game 1: Miss Joan Ryba & Miss Jane Ryba (identical twins) - ""Sell Barbells for Weightlifting"" (for Newman, Dukes and Klein Company; or maybe the spelling is Neuman, Dukes and Kline; they sell the ""Weight Line"" barbell set; from North Hollywood, CA) Game 2: Preston Porter & Russell Porter (identical twins) - ""Teaches at U.S. Naval Academy, Annapolis"" (they are both the rank of Lt.(jg); they both graduated from Humboldt State College in Arcata, CA; they both teach oceanography; from Whittier, CA) Game 3: The Smothers Brothers (as Mystery Guest Duo, but they are not twins! Tom was born in 1937 and Dick was born in 1939.) Game 4: Miss Ethel Armstrong & Miss Edna Armstrong (identical twins) - ""Interior Decorator"" for W.J. Sloan Company; they both graduated from Mary Washington College; from Washington, DC) All regular contestants on this episode are identical twins. The last time WML had a ""twins night"" was EPISODE #520 on July 3, 1960. (thetvdb.com)