Visible crew/equipment: When Clarence Boddicker (Kurtwood Smith) is killed by Murphy (Peter Weller), Boddicker falls into the steel mill's water, blood spewing from his neck. Sharp eyes are required here to see that there is someone standing against the wall in the background... (01:32:40)
Visible crew/equipment: When the guy falls off the cliff and splats on the rocks below, if you watch it in slow motion, you can just see an orange bucket appear for a few moments which chucks the blood in the air. (00:23:25)
Visible crew/equipment: In one of the scenes where Arnold is running through piles of debris an explosion behind him causes him to fly through the air. The mechanism that launches him in the air can clearly be seen flipped up from the ground.
Visible crew/equipment: When Superman and the super villain are fighting on the moon, when Superman flies in and lands at the beginning of the fight, you can see the cables that are suspending him.
Visible crew/equipment: When Annie Lansing is looking out of the back of her car to see if the hitchhiker is still running behind her, he has disappeared but instead you can see a crewmember through the upper left corner of the car window.
Visible crew/equipment: After The Cowboy has put out his cigar in his hand he flips through a magazine. At two points you can see the protective item he's got in his hand to avoid getting burned by the cigar. (00:54:45)
Visible crew/equipment: Right after Barf and Lone Starr have stolen the two spaceballs outfits they run by a hallway with two guards in it. After the guard sees one of them and says "Nahh", look at the top of his helmet - you can see the camera and director.
Visible crew/equipment: When the predator has been hit by Arnie, the camera and cable is reflected on his face. This also happens when Arnie is calling for Billy - you can see it reflected on his arm.
Visible crew/equipment: During the shots when E. Johnson and Sam leave Glory Hole, to travel to Zone 7, there are two shots from the side of road showing Johnson's car fly past. In both, you can see the cameramans shadow on the ground. (00:25:40)
Visible crew/equipment: When the "Father" UFO is flipping burgers, you can see the puppeteer's arm for a split second.
Visible crew/equipment: As Blade turns around with sword in Grayskull, the light panel for the camera is reflected on his patch.