The channel has a lot more than 3 million subscribers, and its movies have been viewed above 860,000,000 situations. In January 2012, Hank and John developed the instructional YouTube channel Crash Course, as component of the site's Original Channel Initiative. As element of YouTube Kids, a separate Crash Course: Kids channel was introduced in March 2015, with Sabrina Cruz internet hosting a Science program geared towards a more youthful viewers.