Watch Mysterious Island Episode 1 HD Full Free on SolarMovie. Watch Mysterious Island tv series online free. In 1865, a group escapes from a Confederate prison in a balloon, only to be carried halfway around t...In 1865, a group escapes from a Confederate prison in a balloon, only to be carried halfway around the world. They are shot down while approaching land (which they later discover is an "uninhabited" island. The shooter (Nemo) wishes to make use of them for some experiments he has planned. The volcano on the island has other ideas.