Hawaii Five-O

Three Dead Cows At Makapuu (1) (2x23)

Air date: Feb 25, 1970

Dr. Alexander Kline, a biological scientist, views his work as evil, and to prove it, he plans to unleash a deadly germ that would kill thousands. Three dead cows lead McGarrett on a desperate chase to track down the toxin, involving a friendly telephone operator and top Washington agents.