The Script...so far

SCENE 1
Late night at Labtek Labs after closing
A janitor has just finished cleaning a hallway on the first floor. As he is cleaning the last bit in the hallway, the camera cuts to other rooms that are absolutely spotless. When he finally finishes he turns around to look at his handy work. He turns around and starts to walk away. He hears a drop, and stops in his footsteps. He immediately turns around. Camera POV looking around and then to lock on to an obsolete stain to immediately zoom in. Cut to the curious faced janitor. He walks up to the stain and bends down to scrutinize it; wondering how he missed it in the first place and/or where it came from. He mops over the stain. Nothing happens. He bends down and tries to scratch it off, but it is too hard. He stands back and stares at it. He takes out his spray bottle full of cleaner and a brush. He sprays and wipes vigorously, but to no avail. All he ends up making is bubbles around the spot.
SCENE 2
He decides to take drastic measures. He goes into the janitor’s closet. He drags a floor buffer towards the spot. He plugs in the power cord, gets electrocuted and flies across the room. As he is lying motionless on the ground, the buffer starts to work and goes in his direction, crashing into him. Frustration starts to set in.
SCENE 3
He puts on goggles, earmuffs, and gloves and brings out a jackhammer. This stain is getting off one way or another. He turns it on, unsure at first he gets the hang of it, but suddenly he starts to lose control. The jackhammer starts to move him left and right, back and forth. It finally pushes him back, away from the stain, which still is not gone. The jackhammer is too powerful to control and finally pushes him out of the two story window.
SCENE 4
We see a wide angle shot of the hallway with the spot in the foreground, the janitor’s giant foot steps in and comes into focus. His other foot comes in frame and the camera tilts up we see him holding a flame thrower and then we look at the janitor with an insane look in his face. The janitor aims the igniter toward the spot and flames come out. The flames cover the floor and surround the janitor. He looks up and shakes his fists up into the air in triumphantly. We see the sprinklers on the ceiling turning on, then we see him getting soaked in water and the flames dying and turning into smoke.
SCENE 5
Now that he’s really pissed off he pushes a large experimental laser into the hallway. He shoots at the spot and nothing happens. The janitor stares in amazement, he rapidly pushes down on the buttons to shoot. The lasers bounces off the spot and shoot towards the walls and windows he then it bounces off the spot goes up toward the ceiling, bounces off of it, hits a wall and bounces toward a window. It finally bounces off the window and goes toward the laser machine. When it finally does hit the machine, nothing happens. He thinks the coast is clear but the machine suddenly explodes and covers the hall in smoke and debris.
SCENE 6
As the smoke starts to clear you see a shadow covered figure coming toward us. Darth Vader? Nope. just a disgruntled janitor carrying some mechanical contraction. He carries something looking like a cross between a tripod, a telescope, a drilling rig and a leveling instrument. It’s covered in DANGER, EXPLOSIVE, BIOHAZARD and CAUTION stickers. He sets it over the spot and we see a drop of some unknown substance fall from top of the towering machine. Just as the drop touches the spot, white light immerses the room. We cut to a satellite circulating the earth and as it passes over we see the huge explosion from space. The janitor opens his eyes and is surrounded by the rubble of the destroyed building. He looks down and sees a piece of tile, the same tile with the spot.