Experiments is the forty-third episode from Hi-5 Series 4.
- KATHLEEN makes a bubble mixture.
- CHARLI plays with balloons.
- Scientists TIM and Kellie make instruments from ordinary things.
- CHARLI makes her bed.
- NATHAN makes different shapes of clay.
- CHARLI makes a cat of playdough.
- KELLIE and Chats make a fizzer bath for a rubber duck.
- CHARLI has taken a bath and she gets dry with a towel.
- SHARING STORIES: Kathleen tells us a story about three cookbooks (Tim, Kellie and Nathan) that can never get stand and the last one always falls over until they call a bookend (Charli).