CrashCourse
CrashCourse makes free educational videos across science and the humanities, pairing knowledgeable hosts with animation for students, teachers and curious people everywhere.
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Latest
CrashCourse’s happenings, collected from public sources, plus their backstory and Starbook, where fans write.
Known for
- Crash Course World History2012 · Original series hosted by John Green
YouTube - Crash Course Biology2023 · Biology series hosted by Samuel Ramsey
YouTube - Crash Course Sex Ed2025 · Sexual health series hosted by Shan Boodram
YouTube - Crash Course Native American History2025 · History series introduced by Che Jim
YouTube - Crash Course Scientific Thinking2026 · Seven-part series on scientific reasoning
YouTube - Crash Course Geology2026 · Earth science series hosted by Sage
YouTube
Overview
- Created by
- John and Hank Green, with Stan Muller and Nick Jenkins
- Launched
- 2012
- First subjects
- World History and Biology
- Format
- Free educational video courses with hosts and animation
- Reach
- More than two billion YouTube views
Mini bio
How it started.
John and Hank Green brought their experience from Vlogbrothers into a new educational project with Stan Muller and Nick Jenkins. Crash Course began in 2012 with John teaching World History and Hank teaching Biology. The Agricultural Revolution opened the World History course on January 26.
The classroom grew.
Those first courses established a format built around a host, humor and animated explanations. A PBS Digital Studios partnership announced in 2014 helped expand the course lineup and bring in more hosts. The channel grew beyond exam preparation into a place for people who simply want to understand something new.
More ways to learn.
In 2023, Crash Course, Arizona State University and YouTube announced a Study Hall route toward college credit. More recent courses explore sexual health, Native American history, scientific thinking and geology. Crash Course Books extended the idea into publishing, starting with John Green’s Everything Is Tuberculosis in March 2025.
Creditschronological, newest first
- 2026Crash Course GeologyEducational series; hosted by Sage
- 2026Crash Course Scientific ThinkingSeven-part educational series
- 2025Crash Course Native American HistoryEducational series; introduced by Che Jim
- 2025Crash Course Sex EdEducational series; hosted by Shan Boodram
- 2023Crash Course BiologyEducational series; hosted by Samuel Ramsey
- 2012Crash Course World HistoryOriginal educational series; hosted by John Green
Awards
Quotes
At Crash Course, we believe that high quality educational videos should be available to everyone for free.Crash Course, official About page
The team’s statement of the principle behind its free courses.
Trivia
- The first World History episode tackled the Agricultural Revolution.
- John Green names Stan Muller and Nick Jenkins alongside the Green brothers in his account of the channel’s creation.
- The 2015 Webby entry credits Thought Café’s artists and animators alongside the hosts and production team.
- Crash Course has separate YouTube channels for Crash Course Kids and Crash Course en Español.
Find CrashCourse
Follow the team for new courses and weekly lessons.
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