完成下一個句子:NBC訂購了第四個完整的季,三十個半小時的集,
2007年至2008年美國作家工會嘅罷工. 季 consists of nine half-hour and five-hour-long episodes for a total of 19 episodes of material created. 季 consists of nine half-hour and five-hour-long episodes for a total of 19 episodes of material created.