have they been criticized?
The NBC television network has been accused of tolerating a culture of sexism and sexual harassment among its employees and also of covering up indiscretions committed by prominent figures
NBC
The NBC television network has been accused of tolerating a culture of sexism and sexual harassment among its employees (especially within upper management and among senior anchors) and also of covering up indiscretions committed by prominent figures 
who won the most money on a gameshow Ken Jennings is the highest-earning American game show contestant of all time, having accumulated a total of $5,223,414. what are these shows? A game show is a type of radio, television, or internet program in which contestants, television personalities or celebrities, sometimes as part of a team, play a game which involves answering trivia questions or solving puzzles, usually for prizes. what are these type of questions just mentioned? UNANSWERABLE what type of prizes are given during the shows that are broadcasted in the day? "Tic-Tac-Dough" offered $312,700 with bonus and  "Who Wants to Be a Millionaire" offered  $500,000 all-cash what is the first show? It is an American television game show based on the paper-and-pencil game of tic-tac-toe. Contestants answer questions in various categories to put up their respective symbol, "X" or "O", on the board. when did it begin? hree versions were produced: the initial 1956–59 run on NBC, a 1978–86 run initially on CBS and then in syndication, and a syndicated run in 1990. did it face any controversies? Felsher the show's producer estimated that about 75% of the nighttime "Tic-Tac-Dough" run had been rigged. Felsher was fired in the fallout of the quiz show scandals by NBC, but later resurfaced as a producer for Goodson-Todman Productions in the 1970s and 1980s is it available in other countries as well? "Tic-Tac-Dough" is one of only three Barry–Enright game shows known to have foreign adaptations, the others being "Twenty One" and "Concentration". in which channel is this game broadcasted? NBC, CBS who owns the former? NBCUniversal, a subsidiary of Comcast. what were a few of its initial stations? New York City radio station WEAF, Newark pioneer station WJZ did it face a downfall? Yes,  Three factors led to the radio division's demise: GE decided that radio did not fit its strategy, while the radio division had not been profitable for many years. In addition, FCC ownership rules at the time prevented companies acquiring broadcast properties from owning both a radio and television division. was it revived? Yes, Dial Global launched a sports-talk radio service, NBC Sports Radio.
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NBC [SEP] Criticism and controversies
The NBC television network has been accused of tolerating a culture of sexism and sexual harassment among its employees (especially within upper management and among senior anchors) and also of covering up indiscretions committed by prominent figures in the company through intimidation campaigns against victims that include a widespread use of non-disclosure agreements. This may have exposed the company to pressure by Harvey Weinstein to delay and/or terminate reporting on Harvey's criminal abuse of many women.