A girl engaged to a member of the Royal Mounted Police is forced to marry a vicious blackmailer after he gains incriminating evidence on her father.
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 boy tries to protect his dog, a German shepherd that served with U.S. Army forces after it begins attacking strangers several years after the war.
In his dedicated pursuit of technology that will aid pilots to safely "fly blind" during adverse conditions, aerial innovator Ken Gordon is literally blinded in an accident, but this setback doesn't deter him from his goal.
A Mexico/United States border patrol officer is aided by his police dog, Rinty.
Sergeant Ken Strange, of the Canadian Mounted Police, and his dog, King, are on the trial of the murderer.
In a 1990s Hungarian town, tram mechanic Zoltán secretly inherits a hyperactive German shepherd puppy, “Mancs,” which he trains into a rescue dog in his spare time. As Mancs grows into Zoltán’s pride and joy at their new mountain home, Zoltán’s lies about the dog strain his marriage and land him in trouble at work.
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 street children and the dog who penetrate into the fast food restaurants at night and catching terrorists in spare time.
Jimmy lives in the tranquil town of Eagle Rock, Louisiana, with his father, stepmother and his best friend Rainy, a German Shepherd. When Jimmy's father gets a promotion, the family must relocate to an apartment in New York City that has a strict no pet policy. Unwilling to let his master go without a fight, Rainy embarks on a cross-country journey to New York but navigating the Big Apple is just the beginning of his challenging adventure.
A fire in the mountains drives a wolf pack into the nearby desert where they terrorize the local residents. The leader of the wolf pack is Lobo, actually a halfbreed (Rin Tin Tin). When the pack is discovered hunting a herd of cows, a posse gives chase. Lobo leaves his pack to lead the posse away. He is injured and found by a local prospector, Dave Weston (Charles Farrell). The prospector nurses Lobo back to health and the two become close friends. Meanwhile, Weston has made a Borax find in the area. His girlfriend May Barstowe (June Marlowe), daughter of a wealthy rancher, is pleased. However, the local chemist, Borax Horton (Pat Hartigan), actually a claim jumper, plans to steal the claim.
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.
Kazan, a dog who reverts to the life of the wild when his master is killed, becomes docile when he develops a loyalty to a girl in distress.
Gabe and Kylie hunt for lost pirate treasure, hoping to bring tourists to their sleepy Florida town — and save Gabe’s mom’s diner. When they find a precious sapphire, they’re helped by R.A.D.A.R., a clever dog who’s actually a robot! But the mad scientist who invented the treasure-hunting dog wants to steal him back — along with the town’s famous sapphire! Can Gabe and Kylie protect the dog, guard the jewel, and save the town?
Bud Taylor loves Mary Stoddard but is leaving for Alaska in search of gold, leaving a police-dog pup with her that he has named "Phantom." Wade Burton is anxious to win Mary and her father's money. Later, Wade follows Bud to Alaska and attempts to claim-jump Bud's gold strike, but is foiled by Bud and "Phantom."
Two German shepherds and their mistress (Grace Bradley) crash-land in Canada by a fox breeder's (Michael Whalen) farm.
The Laguna Dam is to be built in Arizona to supply water to desert-land unfit for cultivation or stock-raising. Rival companies bid for the building contract, which leads to violence and danger for Bob Owen and his dog Satan.
A 12 episode serial starring Rex, the King of the Wild Horses and Rin-Tin-Tin, Jr. Rex is brought from the island of Sujan, where he is worshiped as a God-Horse, to the U.S. to be trained as a polo pony. He escapes, meets Rinty and with the help of Frank Bradley is returned to Sujan. The natives have been persuaded to turn against their God-Horse, however he is rescued just in time before he is burned as a sacrifice.
Rex, a wild stallion, and Rinty, a police dog, are pals. Their master , John Sheldon, is framed for murder, and Alice Ingram plans to race Rex for money to pay for John's legal defense. Meantime, Frank Nolan, who has falsely accused John, sets out to steal Rex for himself.
When a roaming German Shepherd Dog rescues a boy's pet lamb from the slaughterhouse he struggles to reunite them, despite being chased by police and getting little cooperation from the lamb.