THE MIDDLE - "The Jeans" - Frankie and Mike must endure the unpredictability of teenagers when a hormonally charged Sue wants a cool pair of jeans in order to fit in with her peers, and Axl wants a car to impress a girl. Meanwhile, in an attempt to teach Brick about responsibility, Frankie and Mike reluctantly allow him to take care of Aunt Edie and Aunt Ginny's dog Doris for a few days, on "The Middle," WEDNESDAY, JANUARY 6 (8:00-8:30 p.m., ET) on the ABC Television Network. (ABC/KAREN NEAL) NEIL FLYNN