The season begins under the clouds of Jupiter, which holds more secrets about our solar system. At that point, scientists discover that the solar system, the Earth, and every living thing that exists are caused by Jupiter. There will be a complete review of space, time, materials and energy into existence that holds unexpected secrets.
The narrative storyline is fun, and the basic concepts are gone over well enough that anyone with an interest in science and a little bit of knowledge shouldn't have too much trouble understanding the show.