The Space Pod was introduced in the third & final season on Lost in
Space in 1968. As with the Flying Sub also introduced in the fourth
season on Voyage to the Bottom of the Sea. Producer & creator Irwin
Allen added these two new props to the shows to add for more
exciting scripts and higher ratings. Both of these high tec flying
devices played an important part in transporting the crew of the
Jupiter-2/Voyage around not only on the surface, water, space, or
alien worlds. The sets also changed with these new motifications.