The suggestion that a dog leads a dull life does not apply to that of Rin-Tin-Tin in the screen melodrama, "Below the Line," which is on view this week at Warner's. Rin-Tin-Tin has an eventful career from the time he was owned by the villain to the days when young Donald Cass befriended the animal. Actually Rin-Tin-Tin is the energetic hero of this story, being always busily engaged in either saving himself from a dangerous predicament or rescuing his young master and the heroine. In one of the early scenes Rin-Tin-Tin, now well-known to motion picture enthusiasts, is seen in a crate in the baggage car of a train. He does not take the actions of the baggagemaster in a kindly fashion, so that brute causes the dog to be tumbled out of the car, down an incline to a river. The animal is rescued from this dilemma, and from being a snarling animal he changes to a loyal, affectionate creature. As the story goes on a woman is murdered by Jamber Niles and the Sheriff endeavors to find the ...
Mordaunt Hall, The New York Times, 9-21-1925