Top 5 Most HILARIOUS QI Rounds! Featuring David Mitchell, Sean Lock, Jeremy Clarkson, Stephen Fry and others!

0:00 Why did it take 300 years to name the giant tortoise?
7:02 What is it about software engineers that drives people to violence?
11:30 "Alan dont you not want some points or not?"
14:45 Which war killed the most british soldiers?
16:57 What were chainsaws originally invented for?

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