4- Power

Original air date: 13 November 2014

Above is a timeline of how the programme progresses

Selected sequences

Water jet fishing

Archer fish spitting water at an insect on a branch, and then collecting the rewards. It seems a young doesn’t even need to practise, only imitate an adult.

More episodes

1- First steps
2- Growing up
3- Home
5- Courtship
6- Parenthood
7- The Full Circle
Series in retrospect