The Twins (2000)

A series about two five-year-old twin sisters - Nellie and Lil. Even though they're twins, they are worlds apart in terms of their personalities. Lil is neat and sophisticated, and prefers a clean, healthy life. Nellie on the other hand loves playing in the mud, eating junk food, and sometimes creating chaos. Both girls are convinced that theirs is the right way to do things, which leads to outrageous results.