Robbie (Don Grady) might not be able to play in his school's football game unless he can improve his grades in math. Also, Chip (Stanley Livingston) has a cold and later catches the measles.
A young crippled boy befriended by the Major becomes jealous when an orphan joins the train.
Annie tries to help a girl whose father is overly protective, since his wife left him years earlier to be with a rodeo cowboy.
