- 国家/地区: 美国
- 类型: 纪录片, 悬疑, 运动
- 上映日期: 2008-08-23
- 导演: Don Casper
- 编剧: Jim Hughes
- 语言: English
- 演员: Richard Dreyfuss
- 片长: 分钟
- 奖项: 7 wins & 5 nominations
- 又名: Signs of the Time , Signs of the Time (英国) , Signs of the Time (美国)
- 剧情简介: A documentary based on how hand signals came about in baseball. Who initiated them and their usefulness.
- IMDB:tt1280546