Description : How old is reese Malcolm in the Middle?
Last Answer : Reese was 15 in the debut episode, because he said he was a year older than Malcolm.* The MITM Wiki says he is 22 months older than Malcolm, born December 5, 1986. It gives Reese's ... Berfield, born February 25, 1986, was actually younger than the diminutive Frankie Muniz, born December 5, 1985.