The script from which the first episode was filmed differed significantly from a pilot treatment written by the Andersons in August 1966.

The script of Valmont differs significantly from the text.

The original scripts differ in the spelling of his name.

The revised script differed greatly from Pogue's screenplay, though it still retained the basic plot and the central concept of a gradual mutation.

O'Bannon's script also differed from the Romero series in that it was markedly more comical than Romero's films, employing "splatstick" style morbid humor and eccentric dialogue.

These are written in variants of what is known as the Cave character, and their script differs from the Northern version in being more angular.

Gaj's Croatian Latin alphabet Though all of the language variants could theoretically use either, the scripts differ:

The script (by Richard Matheson) differs significantly from Bradbury's original novel from the 1940s, see episode summary below.

Wherever the Traditional Chinese and Simplified Chinese scripts differ, both are given, separated with a dot and with Traditional first.

In the Punjab province of Pakistan, the script used is Shahmukhi and differs from the standard Nastaʿlīq script as it has four additional letters.