Creating Pre-Rendered Content in Unity

Is it possible to use Unity for high-poly pre-rendered footage (to video(with audio)) as they did for the Unity Butterfly demo?

I know that the Butterfly Effect demo was originally created using a lot of custom stuff including several in-house plugins but I was wondering if there was anything out there available (free or paid) to allow us to do this.

https://unity3d.com/pages/butterfly

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