Series 3

1. Air Fryer

2025-04-02 · 58m

Hannah takes a look at the air fryer – a device that is rapidly taking over people's kitchens, cooking up everything from bread rolls to baked Alaska and almost making ovens obsolete.

2. Fridge

2025-04-09 · 59m

Hannah hits the production line with appliance giants Bosch to find the lifeblood at the heart of every fridge and gets a lesson in carrot droop.

3. Rollercoaster

2025-04-16 · 59m

Hanna uncovers the wild origins of the modern-day rollercoaster and gets the inside story on the UK’s newest, tallest and fastest coaster – Thorpe Park's Hyperia.

4. Doorbell

2025-04-23 · 59m

The rise of the smart doorbell is one of the great tech success stories of the 21st century. Hannah heads to Los Angeles to take a deep dive into doorbell history and talk to market leaders Ring.

5. Motorway

2025-04-30 · 58m

Hannah takes a drive to the National Highways control centre for the UK’s busiest motorway to meet the team that keep the motorways running 24/7.