10. "Mister Rogers Remixed | Garden of Your Mind | PBS Digital Studios"
If nostalgia hasn't convinced you yet to watch this video, take our advice and watch it. The video was produced in conjunction with John D. Boswell, creator of YouTube channel "melodysheep: Remixes for the Soul." The Mister Rogers video is a happiness-inspiring remix with almost 5 million views, so far. Then visit the melodysheep channel for more great remixes including "Symphony of Science - The Quantum World" starring Morgan Freeman and Stephen Hawking.