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The Cactoid Jim title banner as depicted in the Original Graphic Novel.

Cactoid Jim, King of the Martian Frontier is a spin-off of Sparks Nevada, Marshal on Mars focusing on the adventures of the eponymous Cactoid Jim.

As all Cactoid Jim episodes heavily factor into the Sparks Nevada, Marshal on Mars universe continuity, it is suggested that they are listened to in order along with Sparks Nevada and other Sparks Nevada universe episodes.

Segment regulars

Recurring characters


Theme Song

Cactoid Jim's theme was written by Ben AckerBen Blacker and Andy Paley.

Depending on who sings the theme song, there may be minor variations in these lyrics.  The below was transcribed from Weird Al Yankovic's performance in Good Jim.

Howdy folks, welcome to Mars!  You can have a lot of fun on the red planet, but a fella's gotta be careful.  Danger's waiting over every space mesa and planetary plateau.  Of course, Mars has its share of heroes, too.  You all know Sparks Nevada, Marshal on Mars, but there are other heroes riding that Galactic Trail, folk like Cactoid Jim, King of the Martian Frontier!

Born on a mountaintop way out west
Born tall and handsome and slim
An asteroid fell for a wild desert flower
Here's the story of Cactoid Jim
(Yes Lord)
That Legendary Cactoid Jim
A big forest fire was a' heading towards town
Folks hopes was getting mighty dim
He roped a raincloud out the western sky
And doused the flames, that Cactoid Jim
(Yes Lord)
That cloud-ropin' Cactoid Jim
The dam broke way up river last year
The flood came runnin' on in.
He swallowed that river,
Patched the whole darn dam
Saved our village, that Cactoid Jim
(Yes Lord)
That flood-drinkin' Cactoid Jim
Some spooked hypercattle was stampeding towards church
In the middle of our Sunday hymn
He called in a favor from the man upstairs
We had burgers thanks to Cactoid Jim
(Yes Lord)
Kiss the cook, it's Cactoid Jim
(Yes Lord)
It's that cloud-ropin', river-drinkin', barbecuing Cactoid Jim!
Cactoid Jim!


Unofficial chords for the theme song can be found here