The Best Episodes of The Secret Genius of Modern Life Season 3

Episode Rankings

1. #1 Fan Favorite
   

   7.9/10(16 votes)

   #1 - Air Fryer

   S3:E14/2/2025

   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.

   Director:Fay Finlay

   Writer:Unknown

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   Director:Fay Finlay

   Writer:Unknown
2. 

   7.9/10(14 votes)

   #2 - Fridge

   S3:E24/9/2025

   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.

   Director:Catherine Gale

   Writer:Unknown

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   Director:Catherine Gale

   Writer:Unknown
3. 

   7.9/10(15 votes)

   #3 - Rollercoaster

   S3:E34/16/2025

   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.

   Director:Fay Finlay

   Writer:Unknown

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   Director:Fay Finlay

   Writer:Unknown
4. 

   7.9/10(14 votes)

   #4 - Doorbell

   S3:E44/23/2025

   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.

   Director:Lyndon Bruce

   Writer:Unknown

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   Director:Lyndon Bruce

   Writer:Unknown
5. 

   7.7/10(18 votes)

   #5 - Motorway

   S3:E54/30/2025

   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.

   Director:Lyndon Bruce

   Writer:Unknown

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   Director:Lyndon Bruce

   Writer:Unknown