Daniel Harding is a distinguished member of the K-9 police unit. His partner and best friend is Ace, a police dog. When Ace is accused of mauling a suspect, an overzealous DA convinces police authorities that Ace should be euthanized.

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 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 lighthouse keeper and his daughter are in trouble on two fronts--if the authorities find out he is going blind they will remove him, and a gang of liquor-smugglers is trying to destroy the lighthouse so they can land their illegal cargo on shore without being spotted.

A giant condor decimates a herd of sheep, and Rin-Tin-Tin is accused of having turned killer.

Adapted from Dorothy Yost's story, "The Untamed Heart"

Our doggy hero is abandoned in the desert while in pup-hood. Upon reaching maturity, Tin Tin has undeservedly earned the reputation as a killer canine. Thus, the human characters spend most of their time hunting down the dog in hopes of collecting a huge bounty.

When a casino-owning dog named Charlie is murdered by his rival Carface, he finds himself in Heaven. Wanting to get back at his killer, he cons his way back to the living with the warning that doing so damns him to Hell. Once back, he teams with his old partner, Itchy, to prep his retaliation. He stumbles upon an orphan girl who can talk to the animals, thus allowing him to get the inside info on the races to ensure his wins to finance his plans. However, all the while, he is still haunted by nightmares of what's waiting for him on the other side unless he can prove that he is worthy of Heaven again.

Danny Mitchell and his canine pal Rusty befriend blind girl Penny Moffatt. Feeling cheated by life, Penny resists all efforts to cope with her handicap. But with Rusty's help, the girl gains a new lease on life and agrees to adopt a seeing-eye dog.

Valo, who recently moved to Raahe, gets bullied. After rescuing an abandoned dog, Valo finds a friend in it, whom she names Roi. Together, the friends end up investigating the mysterious disappearance of a neighbor boy.

The story of street children and the dog who penetrate into the fast food restaurants at night and catching terrorists in spare time.

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.