Superman & Lois—Clark Figures Out Mannheim's Secret—BEST Episode of the SERIES!!! S03E07

Clark discovers Mannheim's secret, and Peia is tired of hiding the truth. Peia is Mannheim's wife. Mannheim has a vested interest in finding a cure for the cancer that is killing his people and Peia. This revelation forces Lois and Clark to reevaluate their beliefs about Mannheim. This episode was fantastic and stands out as the best of the Superman & Lois series.