Mentopolis launches August 9th on Dropout. Here's the trailer: youtube.com/watch?v=9riE94Kkwq4 #shorts #dimension20 #hankgreen For select free seasons of Dimension 20, clips, and more, visit the Dimension 20 Youtube channel: youtube.com/dimension20show For every Dimension 20 season, new episodes, and talkbacks, subscribe to Dropout: dimension20.dropout.tv Subscribe to the Dropout newsletter here: newsletter.dropout.tv