Clinton, Iowa will be among the locations for filming of the new Peacock streaming series based on the classic baseball flick, “Field of Dreams.”. Universal Television, LLC, was recently awarded $6 million by the state of Iowa for development of a “Field of Dreams” TV series. Filming will be based in several Iowa counties including Polk, Mahaska, Boone and Clinton, with primary sets located in Polk City, according to a recent state release.