Batman (1966)

S3E15 The Ogg Couple

Egghead and Olga, the Cossack Queen, return to Gotham City with a string of daring museum thefts. Egghead devises a series of heists to amass a dowry for his marriage proposal to Olga. Their first successful caper involves stealing 500 pounds of dehydrated caviar. However, when Batgirl tries to outsmart Egghead, she falls into his trap and is captured. Now, it's up to Batman and Robin to locate the villains' hideout before Olga’s Cossacks turn their crime-fighting ally into a victim. The race against time begins!