http://www.hollywoodreporter.com/news/original-batman-adam-west-reflects-699804

"At first, DC Comics didn't much like the fact that we were not serious enough for adults,” West writes in a column about his “Batman” experience. "However, when they saw their book sales dramatically increase, they began to love us, as did the Japanese color TV manufacturers. They became big fans, of course.”
Read more at http://www.hitfix.com/tv-tattle#dJDy5wzlQCBCszXq.99