"The Children"

On Childhood's End part three, it's not clear what it means for the future of humanity when the children begin to exhibit advanced abilities.

"The Deceivers"

On Childhood's End, the motivations of the aliens are called into question when people begin to notice the changes happening in their children.

"The Overlords"

The Overlords arrive on Earth and their leader, Karellen, hand-picks a farmer named Ricky Stormgren as the intermediary between our two species. What do these aliens want in exchange for utopia?