Chochem, an 800-year-old Martian sage, advises them that the children of Mars are growing distracted due to the society's overly rigid structure.

Leaving Chochem's cave, the Martian leaders decide to abduct Santa Claus from Earth and bring him to Mars.

Once this is accomplished, one Martian, Voldar, who strongly disagrees with the idea, repeatedly tries to kill Santa, believing that he is corrupting the children of Mars and turning them away from the planet's original glory.

Voldar and Stobo come back to the factory to make a deal with Kimar, but when they see the real Santa Claus, they realize that their plan has been foiled.

He hired writer Glenville Mareth to develop the idea and Nicholas Webster to direct and made the film through his own Jalor Productions.

Due to its public domain status in the United States, Santa Claus Conquers the Martians has been released on many different bargain bin price labels.

In February 1965, the New York Times said on its release that the film "reaped a box office bonanza in a regular, multi theatre booking".

[7] Santa Claus Conquers the Martians received mostly negative reviews, with most of its positive feedback coming in the form of the film being "so bad it's good".

The site's critical consensus reads, "The endearingly cheesy Santa Claus Conquers the Martians might just be so naughty it's nice for viewers seeking a sub-competent sci-fi holiday adventure.

[12][13] A theatrical production of Santa Claus Conquers the Martians: The Musical premiered in 1993 at the Factory Theatre in Chicago, adapted and directed by Sean Abley.

[16] As of December 2020, IMDb lists a remake with a projected 2021 release date, directed by Cynthia Webster, the daughter of the original film's director.

The book, which includes a DVD of the original film, presents the story from the perspective of a now-adult Girmar, who has not only succeeded her father as the ruler of Mars but also narrates the tale in a valley girl type of language.

[19] In 2016, a third theatrical adaptation premiered at The Red Curtain Foundation for the Arts in Marysville, Washington, this version written and directed by Nick Poling.