In Alien Showdown: The Day the Old West Stood Still, the alien scout is stranded on earth after their spaceship crash-lands in the desert during a sandstorm. Disoriented and weak, the scout stumbles upon a small town in the Old West and begins to look for water and food to survive.
Unaware of the alien's presence, the townspeople initially welcome the newcomer. However, as more and more people begin to disappear, the cowboy protagonist, a former outlaw turned sheriff, begins to suspect that there's something sinister behind the strange occurrences. With the help of a local schoolteacher and her children, the cowboy sets out to confront the alien and save the town from an impending invasion.
As the alien scout becomes desperate for water, it unleashes its true power and begins to wreak havoc on the town. With advanced technology and superhuman strength, the alien seems unstoppable. However, the cowboy and his band of townsfolk refuse to give up without a fight.
In an epic showdown, the cowboy faces off against the alien in a final battle for the fate of humanity. With the future of the planet in the balance, the cowboy draws upon his inner strength and courage to defeat the alien invader and save mankind from certain doom.