Sarah Millican, Victoria Coren Mitchell, Holly Walsh and Katherine Ryan join David Mitchell to lie on the subjects of IKEA, marriage, Switzerland and chewing gum.

The Truths

Holly Walsh - IKEA

- The name of one of IKEA's children's bunk beds translates into German as "the excellent intercourse bed." Found by Victoria.

- In 2013, twice as many IKEA catalogues printed as there were Bibles. Found by Sarah.

- IKEA stores are deliberately built like a maze. It helps to keep their customers inside the store for as long as possible, and they help to promote impulse buying. Successfully smuggled.

- IKEA's founder Ingvar Kamprad was a keen fan of the Nazis. He has been exposed as a Nazi sympathiser and a member of the Swedish Neo-Nazi movement during the 1940s and 1950s. Successfully smuggled.

- There is a girl named Ikea Dagless in Norwich, named after the stores. Successfully smuggled.

Katherine Ryan - Marriage

- Marriage is great. Found by Victoria. Accidentally included by Katherine.

- One Spartan marriage custom was for the bride to have her head shaved before the couple consummated, and for the bride to wear men's clothes and sandals. Found by Holly.

- Princess Diana had to call Prince Charles "Sir" before they were formally engaged. Found by Holly.

- In South Korea a common wedding present is Spam. South Koreans are the world's largest consumers of Spam outside the USA. Found by Victoria.

- One woman has married the Eiffel Tower. Erika La Tour Eiffel had a wedding ceremony in 2007, and has set up an organisation for those who develop loving relationships with inanimate objects. Found by Sarah.

- In an attempt to outlaw gay marriage Texas accidentally outlawed all marriage in 2005. Successfully smuggled.

Victoria Coren Mitchell - Switzerland

- Colonel Gaddafi said that Switzerland should be abolished. In 2002 he submitted a draft UN resolution saying that the land should be split between France, Germany and Italy. Found by Katherine.

- The holes in Swiss cheese are known as "eyes". Found by Sarah.

- Cuckoo clocks come from the Black Forest in Germany, and are therefore not Swiss. Successfully smuggled.

- The Swiss legal system forbids the population from hunting snails. In France you can only gather snails for personal use between April and June. Successfully smuggled.

- One man was refused Swiss citizenship for disliking cowbells. In 1983 a man from Czechoslovakia was rejected on these grounds, even though he had been living in the country for 14 years. Successfully smuggled.

Sarah Millican - Chewing Gum

- In Somalia it is illegal to carry old chewing gum stuck on the end of your nose. Found by Holly.

- The patient for Viagra chewing gum was secured by Wrigley's in the year 2000. Successfully smuggled.

- You burn 11 calories an hour when chewing gum. Successfully smuggled.

- The powder on some sticks of chewing gum is made out of finely ground marble. Successfully smuggled.

- Chewing gum can make your heart beat faster. A study of 234 students found that those student who were given gum to chew before a test performed better, by warming up the brain. This is known as "mastication induced arousal." Successfully smuggled.

Scores

- Sarah Millican and Victoria Coren Mitchell: -1 point
- Katherine Ryan: -5 points
- Holly Walsh: -7 points