Celebrating 25 years of MIT OpenCourseWare

Total watch time

4h 12m

at 1× speed · exactly 4 hours, 12 minutes, 6 seconds at 1×

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1×	4h 12m 6s
1.25×	3h 21m 41s
1.5×	2h 48m 4s
1.75×	2h 24m 3s
2×	2h 6m 3s

Average video36m 1s

Longest57m 53s

Shortest7m 57s

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Plan to finish

About 5 days at an hour a day

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At one hour a day, every day, this playlist takes about 5 days. Turn on JavaScript to plan around your week.

Videos (7)

4h 12m in total · tick what you've watched

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1	Thank you to our awesome YouTube subscribers	7:57	2026-06-22
2	From Bold Idea to Global Legacy: 25 Years of MIT OpenCourseWare	18:17	2026-05-06
3	OCW @ 25: A Story in Motion	21:57	2026-05-06
4	Learning Without Limits: How OCW Opens Opportunity for Curious Minds Worldwide	50:44	2026-05-06
5	Knowledge Without Walls: MIT’s Ethos of Open	39:23	2026-05-06
6	Catalysts of Open: Philanthropy’s Role in the Open Education Movement	55:55	2026-05-06
7	The Future of MIT Open Education	57:53	2026-05-06

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Markdown

[![Watch time: 4h 12m · 7 videos](https://playlistduration.com/badge/playlist/PLUl4u3cNGP62NmnKzljcNJDduJNUeHrZ8.svg)](https://playlistduration.com/playlist/PLUl4u3cNGP62NmnKzljcNJDduJNUeHrZ8)

HTML

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Data from the YouTube Data API as of 2026-09-22 (cached). Private or deleted videos are excluded from totals.