Iolo Williams discovers how birds have adapted to living alongside man.
Featuring an amazing sequence of an osprey hunting over open water.
The team explore the UK's spectacular coastline and marine life.
Michaela, Martin and Chris answer questions and take a look at viewers' photos and videos.
Ellie Harrison goes on a journey along the Lleyn Peninsular in North Wales.
Iolo Williams takes to the water to reveal puffins at their best - diving for fish.
Kate Humble, Chris Packham and Iolo Williams answer audience questions.
Iolo Williams reveals the strange night-time goings-on of the Manx shearwater.
On Skomer Island, Iolo Williams unveils the newest stars of the series - puffins.