The Puppy Tooth Fairy Martha is hit with a stark realization: the Tooth Fairy doesn't like dogs. Determined to right a wrong, Martha and Skits bound boldly into the night as the Puppy Tooth Fairies. The problem is puppies lose a lot of teeth. So do kittens and elephants andâ€¦*gulp*â€¦whales? Martha's Blue Period It's impossible. It's unthinkable. It's unbearable. Helen is leaving Martha and going to art camp. Full of separation anxiety, Martha's melancholy clouds even her ability to help T.D. take off his shoes. Feeling blue without her companion, Helen pours her feelings into her paintings.