All three movies were interesting to me, but I liked "Deep Sea, Deep Secrets" the most. I was fascinated by Alvin, the research submersible. I have always thought that no human could survive going that deep in the ocean due to the extreme pressure, but Alvin proves me wrong. Three people can travel almost 15,000 feet to the ocean floor, where they find out what lives near the hydrothermal vents. Surprisingly, various creatures survive and thrive there. Wiggly tube-like specimens and fighting crabs were among the most interesting. I really liked learning about Alvic and the ocean floor.
