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Series 22

9. A lemon-powered spaceship

Hannah Fry and Dara Ó Briain investigate how many lemons it takes to power a spaceship?

• 29 mins

Series 22

10. Night Walkers

Hannah Fry and Dara Ó Briain investigate sleepwalking

• 28 mins

Series 22

11. Freeze Me When I Die

Can you freeze dead people and bring them back? Hannah Fry and Dara Ó Briain investigate

• 28 mins

Series 22

12. Bored to Death

Hannah Fry and Dara Ó Briain wonder whether you die of boredom?

• 30 mins

Series 22

13. The Fastest Fly

Hannah Fry and Dara Ó Briain want to know what is the fastest fly?

• 29 mins

Series 22

9. A lemon-powered spaceship

Hannah Fry and Dara Ó Briain investigate how many lemons it takes to power a spaceship?

• 29 mins

Series 22

10. Night Walkers

Hannah Fry and Dara Ó Briain investigate sleepwalking

• 28 mins

Series 22

11. Freeze Me When I Die

Can you freeze dead people and bring them back? Hannah Fry and Dara Ó Briain investigate

• 28 mins

Series 22

12. Bored to Death

Hannah Fry and Dara Ó Briain wonder whether you die of boredom?

• 30 mins

Series 22

13. The Fastest Fly

Hannah Fry and Dara Ó Briain want to know what is the fastest fly?

• 29 mins