An alien energy monster crash lands and tries to find the right material to defend himself against the locals.; An astronaut is saved by aliens on Pluto.; Six astronaut scientists return home to "The Day After Doomsday" and decide to repopulate the planet. Their experiments create evolved adult children in less than a year. The evolved men and women abandon their cold-hearted parents, leaving them to their own devices.; Charlie stops a mugging by accidentally killing a man, but stops the wrong mugger.