A look at how arthropods outwit their enemies as they try to survive in a secret world of social networking and courtship, disguise and espionage, rape and pillage, parenthood and relationships.

Predator: It's a bug-eat-bug world out there, and the documentary continues with a look at how the various critters defuse the defences of their prey. (Ep 2 of 6)

Dating is just as tricky a business in the insect world, as Sir David Attenborough discovers when he delves into how certain bug species choose and then woo their partners.

Reproduction: Sir David Attenborough reveals how different bugs usher in the next generation, including the butterfly and harvestman spider. (Ep 4 of 6)

Sir David Attenborough zooms in on a set of bugs who prefer cooperation to conflict, featuring the likes of the burrowing cockroach and the queen bee.

Sir David Attenborough takes a tour of the insect world's vast colonies, which rival sprawling human megacities in terms of their size and complexity.