Most arthropods leave their offspring to fend for themselves and some parents even die after giving birth. But there is a small minority of bugs that stick around to look after their young and become families. Natural historian David Attenborough steps away from the conflict-laden lives of Micro Monsters and celebrates the community that exists in the worlds of burrowing cockroaches, social spiders, driver ants, and more. Here, team spirit and cooperation rule, leading to gigantic communities that numerically rival our greatest cities.