Olivia is a fictional character portrayed by Lyndsy Fonseca in the TV series Malcolm in the Middle.
In the first episode they appeared in, titled Lois' Sister (season 5), they were 17 years old.
They appear in 1 episodes out of a total of 151 aired
Episodes1
Lois' Sister
episode S5.E13 february 2004Lois' younger sister, Susan, makes a surprise visit to the Wilkerson house. Immediately, she treats Malcolm, Reese, and Dewey like the sons she wishes she had with Hal instead of being single and alone. She also treats Lois as a plague in her life and blames her for being unmarried status. She tells the boys that ever since she caught their mother having sex with their father, she has refused to accept their relationship. However, Susan is plagued with a kidney disease and Lois tries to offer hers for her sister.
