In the book "Creating the Filmation Generation", Lou Scheimer
mentions a spin-off was proposed centering around Jonathan Harris
as Fagon. When this idea fell through, they cast him as the lead in Space Academy
(1977), which also made use of the nose of the Ark II vehicle as the front of the Seeker spaceship. See more
For millions of years, Earth was fertile and rich. Then pollution and waste began to take their toll. Civilization fell into ruin. This is the world of the 25th Century. Only a handful of scientists remain, men who have vowed to rebuild what has been destroyed. This is their achievement: Ark II, a mobile storehouse of scientific knowledge, manned by a highly trained crew of young people. Their mission: to bring the hope of a new future to mankind.
Ark II Log, Entry Number One. I, Jonah, Ruth, ...