Smallville - Season 10 Episode 6

Clark examines a rural hamlet where blue kryptonite in the water has no known negative effects. However when a bell rings, tho local deputy regretfully knocks out the nosy reporter 'at the wrong time and place'. Lois has a car crash nearby and is nursed by an Amish family. Yet when she wants to leave, she discovers their chilling true intention, as the extremely aberrant sect does with one female every year. In the Luthor mansion, Alexander insists to be called Lex and his aging condition requires 'regular' birthday parties. Mercer's plan to give him a cure if the original lex's research allows so is reconsidered as she realizes this clone may be too perfect.