NAT GEO MUNDO’S Week-Long Event Begins Sunday, June 26 at 8 PM ET/PT

Venture along the banks of the Luangwa River in Zambia, the temperate seas of the Gulf of Mexico, and the perilous jungles of the Amazon to come face-to-face with predators of all shapes and sizes. Beginning Sunday, June 26 at 8PM ET/PT Nat Geo Mundo presents SEMANA MORTAL, featuring nature’s most accomplished killers. From the two-ton hippopotamus to the lithe polecat, Nat Geo Mundo’s SEMANA MORTAL reveals how animals fight for survival and hunt down their prey in a world filled with unpredictable dangers. SEMANA MORTAL takes you on an adventure not for the faint of heart, as we encounter the most adept predators in the wild and discover the eat-or-be-eaten clashes they face.

EPISODES INCLUDE:

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Deadly Game: Great Escapes Premieres Sunday, June 26 at 8 p.m. ET/PT

Life for those animals at the top of the food chain may seem like a breeze, but what about those on the bottom? Just when you thought there was no hope for the underdogs of the animal kingdom, these tricksters prove that survival isn’t all strength and teeth. Sometimes wits, instincts and a little bit of camouflage can make the difference between surviving and becoming another animal’s dinner. Discover some of nature’s greatest escapes.

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Deadly Game: Killers in the Making Premieres Monday, June 27 at 8 p.m. ET/PT

From birth we follow the lives of some of the planet’s most dramatic predators and witness how their mothers instill in them their predatory ways. Polar bears, crocodiles, lions, and cheetahs – they all start out small and vulnerable. However, with encouragement and protection from their mothers and sometimes years of training, we see how these babies hone their skills and become equipped to go in for the kill. Watch as polar bear cubs build strength and learn to hunt in the Arctic, one of Earth’s toughest environments, under their mother’s watchful eye. Follow the Nile crocodile hatchlings as they are born ready to hunt, already able to snatch at insects. Experience the intense lives these babies endure, full of fun and games but also grave danger as they develop into the ultimate killing machines.

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Deadly Game: Seconds from Disaster Premieres Tuesday, June 28 at 8 p.m. ET/PT

With predators everywhere, you’d think animals would try and stay hidden away, especially when they are starting a family. Survival in the animal kingdom comes down to seconds. Within moments, an unsuspecting animal can become prey. Mother Nature is fierce and seconds can mean the difference between life and death in the wild.

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Hippo vs. Croc Encores Wednesday, June 29 at 8 p.m. ET/PT

Two of Africa’s deadliest gladiators – hippos and crocs have lived side by side for millennia, but are they cozy bedfellows or arch-enemies? One is a hefty herbivore; the other is the most successful freshwater predator on the planet, so how do they manage to survive together in the same habitat? They each have a unique arsenal of attributes honed by centuries of evolution; muscle power, bite force and ferocious dentition give them the edge in their environment. But once a year, their peaceful semi-aquatic existence turns into a battle for survival. The dry season pushes both these super-powers to their limits – and each has their own survival strategies.

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Blitzkrieg Sharks Premieres Thursday, June 30 at 8 p.m. ET/PT

Sharks have ruled the seas for years, with evolution having created the perfect predator beneath the waves. Their sleek torpedo-shaped bodies and incredible speed enable them to hunt down animals within their domain. In Blitzkrieg Sharks, watch how sharks seem to be going off menu— sinking their teeth into creatures of the land and sky. Join scientists to uncover why terrestrial birds are ending up in the stomachs of tiger sharks in the Gulf Mexico and how Galapagos sharks are targeting Monk seal pups on the sand. Have sharks become restless in their ocean realm and begun to stalk the creatures of the land and air?

If you love this exciting series, check out these other great shows!