To preview a scene:
Navigate to your video and select a scene.
Click the Preview Scene Play button in the top left of the script box to preview the script and animations from the beginning of the scene.
You can also scroll through the seeker bar with your mouse and then press Preview Scene Play to preview from any point in the scene.
Notes:
Avatars will not be animated during previews.
Animation triggers are not visible on the scene timeline.
If needed, hold the Ctrl key and use the mouse to zoom into the timeline, enabling greater granularity and smoother scrubbing.