How the Universe Works - Fourth Season

• Release info:
  Ep 07. The First Oceans
• A commentary by
  vivforever
• Phù hợp với phiên bản tại http://www.hdvietnam.com/threads/discovery-channel-how-the-universe-works-season-4-2015-720p-hdtv.1055056/
• Download Vietnamese Subtitle