Renewable energy is the twenty-seventh episode from Hi-5 Series 4.
- NATHAN blows a windmill and then he pretends to be one.
- CHARLI moves along a windmill.
- KATHLEEN plays fishing and she finds a way to play the same with static electricity.
- CHARLI imagines her hand is a magnet.
- Scientist TIM makes a solar power musical robot.
- CHARLI pretends to be a robot who is powered by the sun.
- KELLIE makes a wind vane.
- CHARLI walks in the summer breeze, suddenly the wind starts to blow stronger.
- SHARING STORIES: Kathleen tells us a story about a girl (Charli) who is about to make her first snowman, she does it on her own because her father (Tim) is a little bit busy, and once she gets it, the snowman (Nathan) comes alive and they play together.
- The windmill shown in first Charli's segment is later shown in I'm Feeling Fine.
- Kellie is absent in the Sharing Stories segment.