Whether it is out-of-bounds behavior or savage instincts running wild, animals are forced to be reckoned with when they act out.

When fight or flight instincts kick in, anything is possible, and animals just do anything to survive.

Unapologetic animals are unruly intruders, escape artists, and hot-headed security guards that follow their own rules.

These wacky and wild incidents show us just how crazy it can get out there in the animal kingdom.

These animals go against the grain as to cheating death, forming odd friendships and launching an unlikely attack.

Animals are just plain unpredictable as an irate primate interrupts a traffic stop and a slithering serpent joins a massage session.

A pair of flies experience the highs and lows of life over a few hours; a self-conscious horse is encouraged to let it out; bodega-dwelling cats rap.

After their home collapses, two squirrel brothers find their survival skills tested while on a journey to freedom; a snake and her mouse prey face off; pet store puppies settle a turf war.

The squirrels reach the conclusion of their treacherous journey out of their collapsed tree home; a queen ant goes undercover as a worker ant.

After his wife is taken from him, a turkey seeks revenge on the mayor during the Thanksgiving parade; two rat teens venture out of the sewer.

A knockout duel sparks between a crocodile and three lions. Who will win and prove that they're the top of the food chain?

A group of alligators hunt for fish in the river. Witness a man on the boat boldly traverse the hunting ground.

This episode highlights some heart-stopping scenes of daily life that things can go wrong in a split second.

Unreal events caught on tape in this episode - including a water python devouring a massive crocodile into its stomach within 15 minutes!

A group of fishermen steer their boat toward a giant anaconda, who slithers itself beneath their fragile boat. What will happen to these fishermen?

A curious fox bites a hidden camera on the ground and tears it apart. Also, two kangaroos are caught up in an all-out brawl in the courtyard!

An African leopard mother wants to teach her cubs a survival lesson and attempts to challenge a python. Will it be a triumph or a failure?

No need for a net to catch fish if they're already throwing themselves into your boat. A school of fish jump into the boat to evade predator harps.

From a cat's unbeatable bravery to an eagle that will sooner sink than starve, this episode captures some of the wildest renegades on Earth.

Whether it's a cat stuck on a glider or a bison charging head-on toward a car, these animals are unstoppable and they are simply born to be wild.

Mother Nature's meanest prove that you can't always go it alone.

From the ocean's fiercest predators to Africa's biggest beasts, these animals are not afraid to get up close and personal.

Predators will do whatever they must to survive, but fate can take surprising turns.

Some animals are brutishly destructive, while some clever creatures get by using their heads.

From tiny heroes to giant marauders, nature's wildest continue to shock us.

From wild spirits that can't be tamed to fearless survivors risking it all, these are some of the wildest animals on the planet.

Privates Phil and Mike find themselves in a precarious situation as tensions escalate.

With the fate of New York's animal population at stake, rats Phil and Mike work to pull off "Roachella", the animal kingdom's biggest musical festival.