You can change the Netflix video playback speed on both the web version and mobile app.To change the video playback speed on Netflix for web, open the video, hover the mouse cursor over the speedometer icon, and select the desired speed.To change the video playback speed on the Netflix mobile app, open the video and tap the Speed button to select the desired speed.The Netflix TV app does not have a video playback speed feature, but you can access Netflix through web browsers on your Smart TV.