Mrs. Knight (Challen Cates) is the mother of Kendall and Katie. She is a good and caring mother and is always trying to spend some time with Katie, but she judges people way too quickly, as shown in "Big Time Bad Boy". Her first name is unknown. It is also shown that she is not very smart at math or history. In "Big Time Demos", it is revealed she worked as a waitress in Minnesota. She appeared almost every episode in season 1