Martha Speaks The Return of Ralph/Little Bo's Sheep Season 5 Episode 8 | 25m 29sVideo has Closed Captions| CC A TV-obsessed duck is back and making trouble. / Sheep get lost on the way to a festival.

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.