QI

Another selection of the best moments from the recent series. Sandi Toksvig asks questions connected to the letter U, as Alan Davies and the guest panellists try to come up with interesting, point-worthy answers - all the while avoiding the most obvious ones.

Topics

- Ultras Best Bit: How to identify an ultra marathon runner by their feet.

- Upside-down Best Bit: Is this artwork upside-down?

- All I Want For Christmas Is U Best Bit Tangent: Diving horses.

- University Best Bit Tangent: How the father of dissection hid what he was up to.

- Uncle Sam Best Bit: The original name for the Boston Tea Party.

- Underground & Underwater New Material Tangent: Zoe Lyons's favourite thing to see when diving is the porcupine fish. Zoe says that puffer fish can only puff up three times, and then they cannot deflate. This leads Zoe to ask if you get prankster puffer fish, tricking other puffer fish to inflate when they don't need to. She also adds that when the fish is inflated, they cannot swim properly, and dolphins start to play with them. However, the Elves check out all this information, and it is not true at all.

- Uncle Sam Best Bit: Pringles are not technically potato chips.

- Upbringing Best Bit Tangent: Getting Egyptian mummies to speak.

- 'U' Animals New Material Tangent: Rhod Gilbert was told while walking his dog that if you hear an owl going "twit-twoo", it is actually two owls, one calling to the other. This is true, but Rhod still refuses to believe it.

- Unrelated Best Bit: Being unceremoniously buttbuttinated.

- Ulex Best Bit Tangent: What makes someone creepy.

- United Best Bit Tangent: Bill Bailey playing an allegory of Hitler.

- Ultras Best Bit Tangent: Problems when using ultrasound on animals.

- Upsadaisy Best Bit Tangent: Pope Leo X's white elephant.

- Unsavoury Best Bit: The unsavoury behaviour of English monkeys.

- Underthings New Tangent: The world's tallest church, Ulm Minster in Germany, took more than 500 years to build.

- Unsavoury Best Bit: More about the unsavoury behaviour of English monkeys.

- Ufology Best Bit: What would happen to your body temperature if you were ejected into space without a spacesuit on?

- Upsadaisy Best Bit: Aimon Koivunen, the Finnish soldier who overdose on methamphetamines.