Fearing that his recently-acquired step-mother, Ann Dennis, is competing with him for his father's affections, and saddened by the death of his dog, young Danny Mitchell seeks consolation in the companionship of a ferocious, Nazi-trained police dog, Rusty, brought to the U.S. by a returning WWII-veteran. The step-mother, with tender understanding, eventually wins Danny over while Danny pacifies his new dog.

The story of a champion Eskimo sled dog named Kavik who survives a plane crash in the wilds of Alaska and is found and cared for by a young boy named Andy Evans. But the dog's owner finds Kavik and takes him back to his home in Colorado where the dog escapes and embarks on a 2,000-mile odyssey in search of Andy.

When a man is wrongly accused of murder, a dog helps clear his name.

Lloyd Wilson, trusted employee of an investment firm, is suspected of theft when $20,000 in security bonds is stolen from his office. Tarzan, the Famous Police Dog, has an intuitive dislike of an apparently respectable citizen, and this leads Wilson and the police to the gang headquarters. Tarzan wins a public citation for his leading part in breaking the case against a desperate gang of criminals.

A World War II European orphan, Paul, has lost all faith in humanity. Brought to the United States by Father Mathew, Paul's confidence and faith are gradually restored through his close association with a dog, Rin-Tin-Tin.

A German Shepherd puppy is "adopted" by a wolf pack in the snowy and frozen Great North and raised by them as one of their own. A few years later he comes upon a fur trapper and saves the man from certain death, and begins to feel a kinship with him that is stronger than the one he has with his adopted pack.

A Rin-Tin-Tin serial presented in 12 episodes. The mysterious Wolf Man is terrorizing settlers in a western town. With the help of Rinty, young Jimmy Carter unmasks the Wolf Man and foils his evil plot.

Jed and his dog Lightning contend with the boy's abusive father.

Rinty rescues heroine June and hero Pat from all manner of desert dangers, both natural and man-made. The film's high point of tension finds the canine star rescuing Nye from a deep pit.

Bill Holmes rescues Rinty from a car wreck not realizing that there is a stolen $50,000 diamond necklace hidden in the dog's collar.

Canine star Rin Tin Tin makes his all-talking (all-barking?) debut in Warner Bros.' Frozen River. In characteristic fashion, Rinty braves the elements to rescue heroine Jane from the villains, a gang of cutthroats and thieves.

Rin-Tin-Tin leaves his usual far north and ranch settings for Africa.

Sergeant Ken Strange, of the Canadian Mounted Police, and his dog, King, are on the trial of the murderer.

Molly O'Day and her brother, Josh, are homesteading on and trying to make a living on a piece of government land, but local rancher Dave Crenshaw claims the land is part of his holdings, and he and his henchmen try to drive the O'Days off. Cowhand Jerry Wilson and his dog, Dynamite, come to their aid against Crenshaw.

A dog is stolen from his home in England and shipped to Canada to become a sled dog. Based on the novel by Jack London.

From James Oliver Curwood's novel about a wolfdog.

A U. S. Marines dog is returned to his young owner in the small town of Monrovia at the end of WWII, but a grouchy neighbor believes the animal's military training makes him a threat to the community and files charges to have the dog destroyed.

A stray German shepherd, a runaway teenage boy, and a runaway teenage girl end up at her uncle's place in Oregon, where an epidemic of sheep rustling is under way.

A pair of crooked deputies steal a gold shipment, murder a young boy's father and pin the blame on a cowboy. The murdered man's son and his dog set out to prove the cowboy's innocence.