The Father is first seen running away scared with his flock of sheep. When passing by his son, who is sitting next to a tree while reading a book about knights and dragons, he stops. When his son asks what's the matter, the father tells him that he and his sheep saw a monster, which caused him and his sheep to run away scared in the first place, and through the description of the beast, his son deduces that he only saw a dragon. Shocked and terrified by the news, the father runs to town to warn the people about the dragon. He isn't seen throughout the rest of the short after this.
The Father running scared with his flock of sheep
The Father panting
The Father telling his son what he experienced
The Father showing his son which way he saw whatever frightened him and his sheep
The Father describing the monster to his son
The Father relieved when his son assures him it was only a dragon he saw
"Only a dragon?!"
The Father running scared to warn the townspeople about the dragon