An American soldier rescues an injured puppy from the streets of war-torn Iraq. With help from the Houston SPCA, he flies the pup back to the United States.

The team investigates and attempted poisoning of a family dog in a Houston neighbourhood. And, investigators rescue two neglected, lame horses.

A deadly disease strikes the shelter, threatening the life of every horse in the SPCA's stable block. Plus, the team rescues an abandoned dog and her pups.

The team takes part in a dramatic dawn raid to shut down one of the city's biggest illegal dog fighting operations. What they find on the property shocks them all.

Assistant chief investigator Charles Jantzen sets out to save 70 cats and dogs in a filthy, privately-owned animal rescue centre.

A rookie's attempt to save a dog with a rusty metal chain embedded in its neck touches everyone at the Houston SPCA shelter.

Fifty animals are removed from an elderly hoarder's Texas home; two Great Danes must be rescued from a locked junkyard; Dog hit by car has one eye and broken leg.

Chief Investigator Boller leads the rescue of a deer that was badly injured after running through an office glass window. And, an angry owner wants to keep his six dogs.

A senior investigator is injured and rushed to the ER during a raid at the home of an elderly cat collector. But will his injuries be serious?

SPCA investigators seize a horse with a horrific leg injury. Emotions run high as they fight to save the animal and bring the owner to justice.

Loose dogs; an abuser of a horse, cat, dog and bird receives justice; abandoned snake roams wild; pack of dogs terrorises a neighbourhood.

Investigator Barbra Christiansen has a threatening standoff with a neglectful dog-owner; a church drain traps puppies.

An angry man pulls a gun on Houston SPCA officer Max Mixson as he's investigating a complaint about the man confining more than 100 dogs in his property.

An abandoned dog wins the heart of an SPCA investigator; cops seize more than 200 dogs from an overcrowded puppy mill; investigators try to keep emaciated horse alive.