Most expensive television documentary series per minute
Who
Walking With Dinosaurs
What
37654 UK pound(s) sterling
Where
United Kingdom (London)
When
1999
Depicting how dinosaurs lived, reproduced and became extinct, the BBC's documentary series Walking with Dinosaurs cost over £37,654 ($61,112) per minute to produce.   Taking over two years to produce, the six part series, with each episode having a running time of 27 minutes, cost a total of £6.1 million ($9.9 million). 

The first episode was aired on 4 October 1999.

It featured computer graphics and animatronics with background footage filmed in locations around the world.

The series won three Emmy Awards on 10 September 2000.