One extraordinary family of fish has achieved the ultimate form of gender equality. When it comes to breeding, seahorses do it like no other animal on the planet. Their fierce females refuse to be left holding the baby. So it's the males that carry their brood. In this episode we explore the world of mating seahorses which are the only animals in the world that have a major gender role reversal.

Deep in the jungles of Taiwan lives female giant golden orb-weaver spider -- among the biggest web building spiders on the planet. With a leg-span of almost eight inches and silk like kevlar, she's a fearsome predator. But the orb spiders must find a way to mate with her male counterparts, who are approximately 10 times smaller and 500 times lighter than she is.

In the lush expanse of the Ngogo territory of Uganda, a chilling discovery sends ripples through the chimpanzee community: a chimp has been killed. As the investigation unfolds, it becomes clear that only one other group could be responsible for such a brazen act. As whispers of war grow louder, the Ngogo community braces itself for impending conflict. Will the Ngogo community overcome this threat? Or will the heart of their empire be torn apart? Find out in this gripping episode.
'Others' delves deep into the intricate social structures, alliances, and rivalries of our primate relatives, offering a gripping and emotional journey into the heart of the jungle. This is not just a tale of survival but a testament to the complexity of chimp society. Join us and witness the raw and untamed world of the chimp empire.

The fourth episode plunges us into the heart of the jungle for an exciting story of power, politics, and survival. Days after a fierce battle with Western rivals, Jackson, the alpha male, grapples with the aftermath of his injuries. The strength of an alpha is paramount, and physical frailty can quickly translate into political vulnerability. While Jackson's allies waver, Abrams and Wilson see a golden opportunity to seize control.
As Abrams makes strategic moves against Jackson, the forest resonates with news of the ongoing power struggle, attracting the attention of external threats. Battles for leadership are perilous, with uncertain outcomes for both the reigning alpha and the ambitious challenger. This episode promises an intriguing exploration of chimpanzee society and their relentless pursuit of dominance.