Terror of Mechagodzilla: (Henry G. Saperstein Television Prologue (1978)

Henry G. Saperstein released the film to television in late 1978. The television version added a 10-minute prologue that served as a brief history of Godzilla, with footage from Saperstein's English versions of Invasion of Astro-Monster and All Monsters Attack (the latter of which utilized stock footage from both Ebirah, Horror of the Deep and Son of Godzilla.