Voir Martha Speaks, Martha Helps Out - Episode 4

Therapy Dog - Martha becomes a hospital therapy dog, spreading cheer among the patients. But trouble brews when Mrs. Demson, who claims a horrible allergy to dogs, is admitted for an invisible rash. Can Martha sneak in to help the other patients without Mrs. Demson knowing? Martha's Duck Trouble - Ralph, the wounded duck from the lake, has settled in at Martha's house to convalesce. Pretty soon, it feels like the duck is taking over. How long does it take for a duck's wing to heal anyway? Is it possible that Ralph has gotten a little too comfortable?