The Unbelievable Truth

David Mitchell is joined by Lou Sanders, Ria Lina, Milton Jones and Chris McCausland as they lie on the subjects of flowers, wood, underground and goldfish.

The Truths

Chris McCausland - Goldfish

- Goldfish were once given as romantic presents from husbands to wives, in a practice from the early 17th century. Found by Lou.

- Goldfish are prone to depression. Successfully smuggled.

- Film producer Samuel Goldwyn also went under the name "Samuel Goldfish". Successfully smuggled.

- Goldfish are worse than humans at hearing. Successfully smuggled.

- John Prescott bought a goldfish for Tony Blair just to cheer him up. Successfully smuggled.

Lou Sanders - Flowers

- Nintendo bred a flower called the "Pikmin", to promote the game Pikmin Bloom. Found by Ria.

- 15% of American women send flowers to themselves on Valentine's Day. Found by Chris.

- Flowers grow quicker when spoken to in a Geordie accent. Found by Chris.

- Humans share 85% of their DNA with daffodils. Found by Milton.

- The naked man orchid gets its name because each petal resembles a naked man, complete with a small penis. Successfully smuggled.

Ria Lina - Wood

- In 2018, the National Toy Hall of Fame in New York gave the "Oldest Toy" award to the stick. Found by Chris.

- The San Francisco Fire Department uses wooden ladders, because they don't conduct electricity from overhanging cables. Found by Lou.

- A woodpecker's tongue wraps around its brain, protecting the brain during high-speed pecking. Found by Lou.

- Woodlice can change sex from male to female if they catch a particular form of parasite. Found by Chris.

- Swedish scientists have developed a transparent wood which can be used to make windows. Successfully smuggled.

Milton Jones - Underground

- The original plans for the London Underground included terminating in Paris. Found by Ria.

- There is a group of pigeons that regularly travel on the London Underground from Hammersmith to Ladbroke Grove. Found by Ria.

- There are hundreds of thousand-year-old tunnel systems in Bavaria, and no-one knows who built them or why. Found by Ria.

- Only one pirate, William Kidd, is known to have buried any treasure underground. Successfully smuggled.

- The largest badger set ever discovered had 50 underground chambers, 178 entrances and 879m of tunnel. Successfully smuggled.

Scores

- Lou Sanders, Milton Jones and Chris McCausland: -1 point
- Ria Lina: -3 points