Nate finds a golden retriever-rottweiler mix to work with Kalani, an ex-marine with severe PTSD and anxiety; Laura works with Kelly, who suffers from a rare form of cerebral palsy, matching her with a Great Dane rescue.

Nate rescues a Havanese for Diana, who lost part of her leg in a serious rock climbing accident; Laura works with Eric, who suffers from late-onset Tay-Sachs disease; she finds a Lab mix to be a companion and press his life alert pendant if needed.

Nate finds a Lab mix for Immanuel, who suffers from shaken baby syndrome and needs a dog to support him during seizures; Laura rescues a poodle mix for Carmel, a former Marine with PTSD and a serious back injury.

Tommy, who has Type 1 diabetes, needs a dog to detect his blood sugar levels; Nate starts training process with shepherd mix, while Laura works with Maxine, a cancer survivor who lost her arm to the disease and needs a dog to help around the house.

Nate matches a German shepherd rescue with Ed, a retired Air Force sergeant; Ed, who suffers from a brain injury, hopes Sarge will retrieve items and comfort him during night terrors; Laura pairs Jack Russell terrier mix with Igor, who was born deaf.

Laura finds a Chihuahua mix for Isabella, a teenager suffering from depression, panic attacks and PTSD; Jesse, a Navy vet with limited mobility due to a spinal injury, works with Nate to rescue Rose, a pit bull mix that he hopes will help him skateboard.

The challenges never stop for world-famous dog behaviorist Cesar Millan. In this series, not only does Cesar help dog owners with simple take-home tips for problem pooches, he and his son Andre hit the road to honor and support the nation's many heroes in the pet industry. On an RV journey that spans from Philadelphia to Los Angeles, the hosts uncover inspirational K-9 stories and connect with organizations that are rescuing and rehabilitating dogs. No pup and pet-loving person is spared as the Milans profile groups helping veterans and their service dogs, community-run animal rescue teams training K-9 police dogs, and therapy dogs that help children with autism.

They're adept at tracking the enemy in the war on terror and tracking a bouncing tennis ball in an open field. They're elite police and military dogs, and this series takes viewers inside a world-famous K-9 training facility -- Vohne Liche Kennels in Indiana -- that prepares both man and man's best friend for battle against the bad guys. Led by owner and founder Kenny Licklider, a retired senior master sergeant in the U.S. Air Force, the VLK team teaches both dogs and handlers to leap from helicopters, rappel down buildings, search for explosives, drugs and money, and chase down human targets, among other skills. The training is intense -- any mistake can cost lives -- to make sure no dog or handler graduates from the program unprepared.

Pets fighting like cats and dogs, unable to live under the same roof, can tear otherwise peaceful homes into turbulent messes. Enter cat behaviorist Jackson Galaxy ("My Cat From Hell") and dog trainer Zoe Sandor, who assist families seeking peace between ill-behaved kitties and pooches. After meeting with families, Jackson and Zoe address the behaviors of both humans and animals, then they create long-term plans featuring daily routines and procedures, with the goal of conflict resolution to create homes where cats and dogs can coexist.

Amanda Giese eased her troubled childhood by connecting with animals. They were her best friends, her "saving grace," she says. That connection continued into adulthood, leading her to start a nonprofit called Panda Paws Rescue, whose mission is to end homelessness, abuse and neglect of all animals. Alongside Amanda's kids, Jade and Beast, and partner Gary, the family cares for animals -- primarily dogs that others have given up on -- in need and helps them find loving forever homes. Those efforts are featured on hourlong episodes, including a large-scale rescue mission to save the lives of dozens of animals that have major medical or special needs.

With a unique ability to see the world through their eyes, renowned dog behavior expert Cesar Millan rehabilitates all manner of troubled canines in this popular reality series, and often that involves Millan not only teaching dogs new tricks but also training their owners how to achieve a balanced relationship with their pets.

The "Dog Whisperer" is back, this time to answer emergency calls from communities terrorized by unruly canines. Renowned dog behavior authority Cesar Millan is beckoned by the relatives, friends, neighbors or co-workers of someone whose four-legged menace has turned lives upside down. In each episode, Millan meets with the whistle-blowers in a briefing session, then he evaluates both the pets and the owners through impromptu visits to the neighborhood locations to see dogs display their doggone behavior and watch how owners react. After rehabilitation programs are set up, Cesar uses surveillance cameras to track progress and ensure a lasting solution. The final test comes when all parties gather together in the community -- owners equipped with the knowledge and tools Cesar has provided, and dogs ready to prove they did learn new tricks.

Thinking of adopting a dog, or just love cute puppies? "Puppy Days" tells all about the roller-coaster experience of raising young canines by showing the successes and mistakes of pet parents. Embedded with six first-time owners who have decided to dramatically alter their family dynamic, the series begins at the moment the pups arrive, then tracks the early stages as dog and family adapt to each other. A puppy learns quickly during its early infancy, but by 18 weeks its ability to accept and learn new things reduces dramatically. The families have just over two months to train their puppies the right way or face the consequences. Included are do's and don'ts of teaching pups how to sleep through the night, behave for vet visits, socialize with other dogs and more.