Two groups of plants exhibit such intriguing behavior that a century and a half ago they attracted the attention of Charles Darwin. These same plants, the orchids and the carnivorous plants, still fascinate scientists today. In two, one-hour films, it reveals a world of deceit and treachery worthy of any fictional thriller.

Plants live secret, unseen lives. They are capable of forming mutually beneficial relationships with animals. But they can also be as aggressive, competitive, and dramatic as any living thing on our planet. Using specialist cameras, this spectacular series allows us to travel beyond the power of the human eye, to look closer at their interconnected world. Each episode introduces a set of plants, reveals the battles they face, and the ingenious ways...

A shower of meteorites produces a glow that blinds anyone that looks at it. Chaos results in the escape of some Triffids: experimental plants that are capable of moving themselves around and attacking people.

March 11, 2011 2:46 PM, Japan's Tohoku Region: at a magnitude of 9.0, the strongest earthquake in the country's history strikes, triggering a huge tsunami and carnage that would end up killing thousands of people and displacing many more. It mercilessly engulfs the Fukushima Daiichi nuclear power plant in Fukushima prefecture, causing a crippling station blackout. Unable to be cooled, the nuclear reactors quickly turn into hydrogen bombs at the brink...

Strawberry thinks more popularity will help her baking dreams come true and decides to compete to win best float at the flower festival. Pumpkin Spice, not wanting to be outdone, teams up with the Purple Pieman to stop Strawberry from winning. The Purple Pieman steals Plum Pudding's flower growth serum, alters it, and accidentally creates moving plants that take over the city.

The ongoing quest to explore and come to terms with the Arctic is presented in the context of the crucial role that ice plays in the north in this feature documentary.

Four years in the making, and filmed over 3000 days across every continent and in every habitat, see 130 incredible stories from frontiers of the natural world. Discover the glorious variety of life on Earth and the spectacular and extraordinary tactics animals and plants have developed to stay alive. This is evolution in action: individual creatures under extreme pressure to overcome challenges from adversaries and their environment.

Insects observe the power of nature and discuss it among themselves in their buggy language.

Seymour's exotic plant has an insatiable appetite only for blood and flesh. As the ruthless plant grows larger and larger with each feeding, so do Seymour's affections for shop girl, Audrey.