The movie "I Know My First Name Is Steven" is a 1989 American television miniseries about Steven Stayner, who was kidnapped as a child and endured years of abuse before escaping to go back home. This true crime drama tells his harrowing story and was highly acclaimed, nominated for multiple Emmy Awards and Golden Globes. As for where to watch it, you can buy and watch "I Know My First Name Is Steven" on Google Play, available to stream on PC, Android, or iOS devices, with options for offline download. It may also be available on other platforms or sites offering TV miniseries, but Google Play is a confirmed source. Some parts of the miniseries or discussions indicate it has been found for free online occasionally, but the official option is through purchase or rental services like Google Play.

If you want to watch it, searching Google Play or similar digital stores would be the most straightforward and legal way to access this miniseries.