Isaac C. Singleton Jr. only wore the alien makeup for one day. All of his other scenes were shot with his character wearing a helmet.
The rifle props are modified NERF N-STRIKE Longshot CS-6 toy dart guns. The pistol is a modified Maverick REV-6. The welder/cutter is a modified Nightfinder.
The smoky fire of the spaceship wreckage was created by burning car tires. The fire created a lot of soot and burned for hours, to the point that several crew members were spitting up black mucus.
The Sedonian ration that Orin Jericho eats was actually a PowerBar that had been let to sit in the sun for a week.