Step into the mist of the Khao Kheow Open Zoo and meet Moo Deng, the baby hippo who became a global sensation—but not for the reasons you think.

While the world sees a "spotted shadow" of viral fame, scientists like Dr. Leena Vohra see a "bustling city" and a "walking, breathing ecosystem".

In this premiere episode, we pull back the curtain on the invisible universe residing on and within every living creature.

From the bacteria on Moo Deng's nose to the microscopic landscape of your own palm, we explore the staggering reality that you have never truly been alone; you are a "superorganism," a colony of life teeming with trillions of microbial passengers.

We journey across the "continents" of the human body, where your oily face acts as a nutrient-rich landmass and your armpit thrives as a "tropical rainforest".

Discover how we've evolved from the 17th-century "animalcules" discovered by a Dutch cloth seller to the modern realization that we are "holobionts"—the sum total of our human cells and our dominant microbial partners.

We’ll trace the history of our relationship with these tiny residents, from the declared war on "germs" to the DNA-sequencing revolution that finally "turned on the lights" to the 99% of bacteria we never knew existed.

It’s a 10-second kiss, a 80-million-microbe transfer, and a profound new way to see yourself: not as an individual, but as a masterpiece of connected life.