Who are the characters in Voyage to the Prehistoric Planet?
Prof. Hartman and John the Robot
What is the plot of Voyage to the Prehistoric Planet?
In 2020, after the colonization of the moon, the spaceships Vega, Sirius and Capella are launched from Lunar Station 7. They are to explore Venus under the command of Professor Hartman, but an asteroid collides and explodes Capella.