Through a pair of binoculars, humans are seen unconscious and encapsulated as they move through a Visitor food processing plant on a conveyor belt.
Upon accidentally witnessing the true reptilian form of a Visitor, the teenage character Robin pleads for an abortion. Her procedure begins later in Part One, but the main character performing it, a nurse, calls it off. As the show progresses, Robin dreads what her offspring will resemble, especially at the sight of other lizards.
The main character Donovan becomes the enemy of his mother, who has joined forces with the fascist Visitors. She threatens to kill him and have custody of his abducted son.
Diana can be an unsettling antagonist, occasionally smiling wickedly or throwing fits of unbridled rage.
A rather dimwitted Visitor catches a live mouse in an outdoor trash receptacle and swallows it whole in front of an elderly man, disturbing him. The Visitor is reprimanded by another one, and it is implied that the elderly man is disposed of as a cover-up.
Elizabeth, a young cross-breed of human and Visitor, spits venom on another child. The child survives, despite being badly hurt.
An intense childbirth sequence, a teenage girl second baby is a fully lizard alien.