Though it’s been one of the most streamed shows in the United States for the past three-plus years, The Big Bang Theory had never reached the top of the Nielsen charts. Emphasis on had: The comedy took over the No. 1 overall spot in the streaming ratings for the week of July 27-Aug. 2 with 1.14 billion minutes of viewing time. The Big Bang Theory grew a little bit week to week and was the only series or movie to record more than a billion viewing minutes — which it did for the third straight week. It was a rather quiet week for original series, led by Netflix’s true crime show The Idaho Murders: College Nightmare with 864 million minutes…