Service dogs accomplish pretty amazing feats on a daily basis. Bethe Bennett's miniature schnauzer nudged her back to consciousness after a fall. The trained service dog also retrieved an emergency phone list so Bennett could call neighbors for assistance. A pooch named Mr. Gibbs totes Alida Knobloch's oxygen tank so the 2-year-old can dash around with other children. Mr. Gibbs even braves playground slides with Alida.