I was just a teenager when this series was popular. I'd lie on the carpet in our living room and watch the plot of each episode unfold on our family's 21 inch black and white Electohome. The special effects were somewhat crude by today's digitalized standards, but they were state of the art at the time. The series centered around the experiences of the crew of the "Seaview", a remarkable nuclear submarine with capabilities far beyond those of the common submarines of the day. It could dive deeper and go faster than conventional undersea vessels and, as if that weren't enough, it could launch a small flying submarine that was as adept at flying in the stratosphere as it was at plying the depths of the world's oceans. The captain of the Seaview was Lee Crane, played by David Hedison. He was responsible for the day to day navigation and operation of the "Seaview". The ship was designed by Admiral Harriman Nelson, played by Richard Basehart. Admiral Nelson was always on the "Seaview" and made the larger decisions regarding the activities and challenges to be undertaken by the ship and it's intrepid crew. The Seaview often encountered monsters during it's explorations and these were my favorite episodes. More often however, the plot of the episode dealt with the larger political and environmental issues of the time. A great series that was about as stimulating as a young mind could wish for.