NotebookLM March 2026: Cinematic Video Overviews, Gemini 3, and EPUB Support

Imagine uploading twenty academic papers for a lesson and getting back not a wall of text, but a cinematic, fluently edited video that tells the story of those papers. In March 2026, Google's updates to NotebookLM are pointing precisely in that direction.

The real headline of this update is not any single feature — it is the fact that NotebookLM now runs on Gemini 3 models. That is a foundational shift. The features built on top of it are what we will explore here.

Table of Contents

1. Cinematic Video Overviews — Text Becomes Film
2. Ten Infographic Styles to Choose From
3. EPUB Support — Your E-Book as a Source
4. Saved Conversation History — Finally, Continuity
5. Improved Flashcards and Quizzes
6. How to Use This in Educational Settings

Cinematic Video Overviews — Text Becomes Film

What Is It?

Cinematic Video Overviews generate immersive, deep-dive videos from your uploaded sources. These are not slideshows. The Gemini model makes hundreds of structural and stylistic decisions to construct a narrative from your sources, complete with fluid animations and rich visual elements.

How Is This Different from Audio Overview?

The existing Audio Overview produces a podcast-style dialogue between two hosts. The Cinematic Video Overview adds visual storytelling on top of that — combining the convenience of audio with the comprehension benefits of visual content.

Ideas for Educational Use

• Auto-generate unit summary videos from uploaded papers to distribute to students
• Create explanation videos for complex concepts as flipped learning materials
• Use as a pre-briefing video before a presentation to quickly get up to speed on source content

Ten Infographic Styles to Choose From

Previously, NotebookLM decided the infographic style for you automatically. Now users can manually choose from ten predefined styles.

Choosing different styles for different grade levels or subjects can increase student engagement. Kawaii for younger learners, Scientific or Professional for high school and university coursework.

EPUB Support — Your E-Book as a Source

NotebookLM now accepts EPUB files as a source type. EPUB is the standard open-source format for e-books and is used by most e-reader apps and digital libraries.

Previously, getting e-book content into NotebookLM required converting to PDF or copying text manually. Now you can upload an EPUB file directly and work with the entire book as a source.

Upload a digital textbook from a school library or e-book platform directly into NotebookLM, then design lessons where students ask questions about the content.

Saved Conversation History — Finally, Continuity

In the previous version, closing your browser erased your conversation. This made NotebookLM difficult to use for semester-long projects or extended research work.

Now conversation history is automatically saved.

• Close a session and resume it later without losing your conversation
• In shared notebooks, your chat is visible only to you (privacy preserved)
• Delete chat history at any time

For research projects that span a term, or for teachers working with the same notebook throughout an academic year, this feature makes a substantial difference.

Improved Flashcards and Quizzes

NotebookLM's study tools received meaningful upgrades:

• Progress is saved and restored across sessions — no need to restart from the beginning
• Mark cards as "Got it" or "Missed it" to sort them
• Shuffle the deck, rerun only cards you missed
• Delete specific flashcards or quiz questions

For students using NotebookLM to prepare for exams, these are directly useful quality-of-life improvements.

How to Use This in Educational Settings

Looking at the March updates together, a picture emerges: NotebookLM is evolving from a simple summarization tool into a long-term companion for sustained learning projects.

For Teachers

1. Upload textbooks, papers, and reference materials at the start of a term
2. Generate unit introduction videos with Cinematic Video Overviews
3. Create student self-study materials with flashcards and quizzes
4. Conversation history accumulates, maintaining context all semester

For Students

1. Upload your course textbook EPUB directly
2. Ask questions, saving the conversation for later reference
3. Use quizzes to self-test before exams

Powered by Gemini 3, NotebookLM now delivers richer answers and more precise source citations than before. Its position as one of the most trustworthy AI tools for educational settings has strengthened considerably.

Which of these new NotebookLM features are you most excited to try in the classroom? Let us know in the comments!

Further Reading

• How to Prevent AI Hallucinations: Using NotebookLM as a Fact-Checking Tool
• Claude Code March 2026: Voice Mode and the /loop Command

Sources

• Google Workspace Updates: New ways to customize and interact with your content in NotebookLM
• What's New in NotebookLM (2026)? — Level Up Coding
• Google Workspace Weekly Recap March 20, 2026
• NotebookLM for teachers — chrmbook.com