notebooklm pro's cinematic video now makes creepy cutoff heads, blank faces or back of head. ALL OF IT. How come nobody seems to be saying anything? When it started - the movies it makes are wonderful, now it's all no face, not facing or blacked faces. Even cartoon images like below get it.

Reddit r/artificial / 4/28/2026

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Key Points

  • A Reddit user reports that NotebookLM Pro’s cinematic video generation has changed, producing unsettling results like cut-off heads, blank faces, faces not being shown, or views of only the back of a head.
  • The user claims this behavior was not present at the beginning, when the generated movies were described as “wonderful,” suggesting a regression or model/content pipeline change.
  • They observe the issue not only in realistic outputs but also in cartoon-style images, implying the failure mode may be general to face/pose rendering.
  • The post questions why this is happening and why others do not seem to be discussing the problem.
  • No concrete technical explanation from NotebookLM developers is provided in the excerpt, leaving the cause unclear and prompting community speculation.