Sally MacGill is a 16 year old babysitter who looked after Arthur and D.W. while their mother and father went out for the evening. She was also known to look after other kids, such as Buster. Her main appearance is in "Crushed", but she was also in other episodes in the background, with her boyfriend as a couple; like in Arthur - It's Only Rock 'n' Roll. Arthur dully developed a crush on Sally as a result of her personality, and was upset when he discovered that she had a boyfriend.