Season 2, Episode 15 The Grandparents

First Aired: February 11, 2001

Robert Loggia and Cloris Leachman play Lois's visiting parents, an irascible couple who have a clear impact on their grandchildren. Lois: Jane Kaczmarek. Reese: Justin Berfield. Hal: Bryan Cranston. Malcolm: Frankie Muniz. Dewey: Erik Per Sullivan. Francis: Christopher Kennedy Masterson.