S1E5: Crop Circles
A couple of artists pull a prank that shakes the nation.
Sources:
Doug and Dave - South Today 1991
Circlemakers: Interview to Doug Bower
Schofields Quest - Doug Bower 1994
Crop circles Hoaxer Doug Bower Talks
Doug and Dave - Coast to Coast 1991
Crop Circles Nafferton Hall Marlborough July 1993