There is a man who frequents our theatre about once a month. Every single time he pulls up and parks, he gets out and buffs his ENTIRE car with a rag. Ooooooooook...
I once saw a younger kid laying on the ground with his head underneath the front of the curtain. I was trying to figure out what in the hell he was doing. It was during the credits of "The Matrix". He had stuck his head next to the woofers to feel the air they were pushing. =)
I've seen some other pretty weird things, but I don't feel I should mention them at this time. Curious to see what else happens out there...?
Problem was that they couldn't get the thing through the door of the auditorium. The manager on duty stops them and asks them what the F*** they are doing. They said they wanted to go in and watch a movie "just like home". He sent them away but they dumped the ratty, old thing in the back parking lot. So... a couple hours later the thing found its way up to the booth. (I WONDER how that happened?
)
A couple days later the boss came in and said the sofa had to go. To my knowledge the thing is still lying in the weeds at the bottom of the ravine out back of the theatre.

I've had customers have heart attacks when I was managing. I really didn't think my management style was THAT bad. There's probably other stuff that I can't remember off the top of my head right now.
As for employees having sex in the theater... been there done that 

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The Rocky Horror crews have to be in a category by themselves.
Sleep-over, check.
Dead man, check.
Dead employee, not me but a friend found one, check.
Assorted form fitting rubber products, check.
A fish, check. (small sunfish some kid musta caught)
Wallet with over $1,000 in it, check.
A couple minutes later, I was in the lobby talking to my manager when we looked over and saw this man going through the garbage runnung the film through his hands. I found this a little odd, but it didn't bother me, nor did it bother my manager. He just wanted me to go over and make sure he was going to leave it in the trash can whenever he was done doing whatever it was he was doing and not make a mess with it.
So I go over and ask this man what he was doing.
"Do you know who Lucas is?" he asked.
"Yes." I responded.
"Do you know who Speilberg is?" he asked.
"Yes." I responded once again.
He then proceded to tell me that he had seen them both in separate interviews say that they liked the feel of film in their hands and he was trying to figure out "just what the fuck they get out of this."
He then asked me if I'd like to touch it, and I told him not really because I touch it all the time. Then he asked me if I'd like to touch anything else, to which I responded with "No, that's ok."
He asked me if either my manager or I had a problem with him messing with the film, and I said that there was no problem, but we just wanted to make sure he wasnt going to make a mess out of it. He jokingly said that he had planned on stringing it all over the theatre and asked if we would have a problem with that, and I told him that yes, we would. He said "Then I guess I'll leave it right here>" He threw the film back into the trash and went to his movie.
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There were other things that I didn't see,but was told about at another theatre I worked at.
The air conditioning in one of the theatres that was playing THE MUMMY was out and this employee went in and told the people that since the movie was shot in the desert, we wanted them to have the full effect of the film.
Near the end of the first run of SAVING PRIVATE RYAN, some employees went in during the opening battle scene with brooms and water balloons and acted out in front of the audience what was happening on screen.
During the summer of 1999, some of these same employees were fired fo participating in "theatre beatings."
What they would do, is have an employee (sometimes male, sometimes female) go in out of uniform and sit down in the movie. Then another employee (usually out of uniform) would go in and and sit down next to this person and start sexually harrassing them. Ushers in uniform would go in a few seconds later as if to do a presentation check, see this happening and act as if they were beating this person senseless right in front of the audience. They were finally caught when a customer went out to complain and saw the guilty party coming out of the break room and pointed them out to the management.
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The theatre I left in October has had a few problems the last couple of months. One friday night after closing, mall security found a hatchback with a body in it that had been shot in the head. I haven't heard the whole story, but from what I've heard, this was an "accidental suicide."
You may be asking how you accidentally shoot youself in the head in the back of your car in the parking lot of a movie theatre.
Well, as it turns out, these guys were playing a little game called "Russian Roullette" and this lucky bastard won (or lost) the game. His friends panicked and drove off.
The very next day, they got to deal with two fights in the lobby and three more that almost happened.
A couple weeks ago, the concession stand was shut down for seven hours because of mice.
I heard of an employee acutally living behind on of the screens. This employee was AWOL from the Navy, had roomied with one of the other employees there, and got kicked out, and had been living behind the screen for about a month, unknown by the managers. This screen is also in the haunted auditorium. Funny thing is, is that once the managers went home for the night. The alarm was set, couldn't open any doors, or leave the auditorium because of motion sensors.
Same theatre, before I got there. A woman was DWI, drove THROUGH the box office, lobby, conession stand and into an auditorium. Fortunatly this was after hours and only person in the building was the janitor, and she was in annother part of the building. I saw the pictures and it was trashed. On the plus side of it. The chain was forced to remodel the box office and lobby.
Annother instance at the same theatre... Someone broke into the theatre at night, used a tensabarrier pole to smash the glass on the candy display. while they were reaching in to get the goods, a piece of the plate glass fell down cutting thier hand. No missing candy, but a trail of blood leaving the theatre.
Once had a child get stuck UNDER a seat. Had to unbolt the seat from the floor to get him out.
On a real slow night, a different usher was standing at the door extremely still and quiet, lost is his thoughts. This old guy came in and thought he was a mannequin.
I was relief managing one of our theatres when Walt Disney's Flubber came out. This theatre is in a town full of "free-thinking-herbalists". I mean, I would often get puffs of pot smoke through the box office window from people walkin down the street takin a quick puff. What I didn't expect was some woman taking hits in the MIDDLE of a SOLD OUT auditorium (295 people!!) I shoulda called the cops, but I was just SO shocked that she'd have the nerve to do it, I just walked in and pointed at her. I was like "WHAT?! What ARE you DOING? Are you NUTS?!"
My reaction was quite similar when some guy just popped open the four corners to a snap-lock poster frame and proceeded to steal the Crow: City of Angels poster out of it. Whean I heard the poster frame snapped shut (what a nice theif) it registered to me that the guy (1 of 10 in the theatre that day) just took down that poster. I rounded the corner just DUMBFOUNDED and again... "What?!?! You didn't think? Did you? Did you THINK you'd just take that off the wall?" Again -- I was just too damn amazed to kick his butt out.
I'll post more as I think of them. This is a fun topic.
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Scott D. Neff
"Biding My Time"
I told the Janitor about it when he showed up, much to my surprise he had this happen to him as well on several occassions. The next time I closed I took a 4 ft level and placed it accross the floor and found the floor to be level so it was not caused by sloping in the hallway. Wonder if the place really was Haunted. 
Another incident occured one night when he was down stairs checking the auditoriums. The theater was empty at the time. Suddenly he heard this loud bang from upstairs. He ran up to see what the noise was but could not find anything turned over. When he was about to exit out of the booth he turned and looked and noticed an old wooden handled ice pick in the center of the booth floor. REAL SPOOKY!
This got his curiosity up so he did some investigation and found that before the area the mall was built on was a heavily wooded area. A body was found in this area that had apparently been stabed with an ice pick.
THAT IS DAMN SPOOKY!
Some patrons saw a real strange sight one night when I came running in from the parking lot carrying my car's battery and jumper cables to substitute for a blown exciter power supply (and its backup!).

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John P. Pytlak, Senior Technical Specialist
Worldwide Technical Services, Entertainment Imaging
Eastman Kodak Company
Research Labs, Building 69, Room 7419
Rochester, New York, 14650-1922 USA
Tel: 716-477-5325 Cell: 716-781-4036 Fax: 716-722-7243
E-Mail: john.pytlak@kodak.com
Web site: http://www.kodak.com/go/motion
"Triumph of the Will" is one SCARY movie!
You watch it, repulsed at the efficiency of Hitler's propaganda machine in 1934 and what it would lead to, but admiring the virtuoso filmmaking of Leni Riefenstahl:
http://us.imdb.com/Title?0025913
Images from this film have influenced many films, including "Indiana Jones and the Last Crusade" (the book burning rally), and the "Lion King" (the Hyena troops marching before Scar).
Ms. Riefenstahl was a complex character. She never wavered in her blind support of Hitler, but you sense her admiration for Jesse Owens and other non-arian athletes in her filmmaking of "Olympiad".
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John P. Pytlak, Senior Technical Specialist
Worldwide Technical Services, Entertainment Imaging
Eastman Kodak Company
Research Labs, Building 69, Room 7419
Rochester, New York, 14650-1922 USA
Tel: 716-477-5325 Cell: 716-781-4036 Fax: 716-722-7243
E-Mail: john.pytlak@kodak.com
Web site: http://www.kodak.com/go/motion
The projectionist at the Roma Drive-in Theatre, Roma which was situated in the south west of Queensland in Australia missed a change over completely one night. A snake had decided to slither into the projection room and was happily coiled up inbetween the projectors.
While walking on these catwalks, I spotted a dirty old envelope up in the bar joist beneath the roof. I climbed up and grabed the envelope and put it in my pocket. After the inspection I looked in the envelope and found eight mint condition "Joe Paloka" ink blotters which were distributed with WWII War bonds. There were also several unsold war bonds.
I had these put into a display, and hung them on the wall, in my den.
At a sold-out evening show of "ET" in a large 70mm auditorium, right before showtime, a pretty good-sized crab (like a tidepool crab) was spotted climbing up the curtains on a side wall, down front. People sitting near it freaked out. The theater staff had to delay the show while they tried to get the crab down by shaking the curtains. People sitting directly under the crab vacated their seats while this was going on, but the crab wasn't going to give in easily, so they started shaking the curtain very hard. When the crab finally came loose, it flew out into the middle of the auditorium where people were still seated. People were screaming and climbing over each other to get away from it. When the show finally started, there were some empty seats, so I guess they were so flustered they just left (probably with rainchecks).
This occurence happened about four years back whilst I was working for an all THX theater complex. As a matter of quality assurance coporate staff were encouraged to purchase movie tickets if we wanted to see a particular movie with in our theater chain. (odd no? we were reimbursed later as a normal procedure) The reasoning was that we were the eyes and ears amongst to ensure that service/customer client relation were adequate and thus purchasing the tickets were part of the client experience we were to be mimicking. I received a blank ticket that had the theater # and show time "hand written" I thought it was odd because I was not aware that there was a problem printing tickets although not part of my maintenace tasks however all maintenace personell seemed to know about the details with in everyones elses jobs. As I continued on I bought popcorn and soda at the concession stand and made my way to the ticket taker and noticed he held onto my "handwritten" ticket and never placced in in the ticket basket. <This was very odd to me>
The next day I went back to the same location and bought another movie ticket for the same showing and the same time as the previoous day. It happened again with the "handwritten" ticket and I noted the people involved and made a mental note as to their identities. Something smelled funny to me!
The following day I brought it to the attention of the operations manager as I thought higher management should know right away. The operations manager hesitantly told me that the printer had malfunctioned but that it was working well. With in a few days I returned to the theater on a sound service call and soon after I finished I made my way downstairs and observed the same thing happening again. I said "hmmmmmmm something stinks around here!"
Turns out there was a corruption ring that involved several candy girls/boys.........management <including floor supervisors> I thought there were still more people involved. It was peculiar that the operations manager of the chain and that the general manager of the theater were aware of the printers' "malfuntion" but somehow were innocent of any wrong doing!
Well two days ago I went to the movies....this time at a competitors complex and to my dismay I received another "handwritten" ticket! Wow!!! Turns out after conversing with floor staff and inquiring whom the management was; it is now the old general manager of the theater and his boss happens to be the old operations manager as well! What do you guys think? Jesus H Ch$*^!!!!!! what is going on in this world? Corruption seems to be more prevalent that I ever have thought it to be. I am just trully disgusted about the whole thing and will resort to watching movies at home on my LaserDisc and DVD players from now on! This is just absurd! ODD NO?
-Walked in one morning to find my booth trashed from a wild "goodbye" party the night before. Food everywhere and the burnt remains of a trampoline lying on the street below the rear outside balcony.
-During Episode 1 two guys thought it a "good" idea to make their cars out like the spaceships of the older Star Wars. One was a TIE-fighter and the other was the Millenium Falcon. After this they tried to re-enact a fight scene at full-speed through a crowded parking lot.
-Many a light-saber duels during Episode 1. Funny thing was we'd confiscate them and play with them on our breaks. Later to break them, but oh well 
-Caught many people in the act in the theaters as well as in their cars around the back.
-Scared the shit out of stoners getting high many times 
-Chased birds out of the bathroom, which is very hard to do with the exit being a single hallway, and scared a lot of customers in the process.
-Played many games of "Garbage-can Bowling" whenever bored while an usher.
-Also while an usher, witnessed a couple ballroom dance during the credits of "Midsummer Night's Dream".
-Watched a fellow co-worker set his pants on fire and proceed to put it out with the fireextinguisher while in the theater.
-While in box office witnessed a huge Semi, while taking a poorly-coordinated turn, bend a stop sign in half and take out a fire hydrant. All this after I had just told a co-worker how slow a day it was.
-Haven't dealt with any deaths yet, but had to calm a crowd of 200 while my manager helped a man who had had a stroke.
Thass all I can relly think of now....
Now that you mention it, I saw a couple dancing to some slow song during the intermission music. Right in the front of the auditorium! I don't think there was anyone else in there. I laughed.
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This one time, at Projection Camp, I stuck a xenon bulb....
I'm rolling on the floor laughing. The remains of a burnt trampoline??? What the hell was going on?

alarm clocks
radios
tape players
CD players
MD players
portable TV's
video games
PC's
Etc.... I guess they don't want people goofing off and getting distracted, which I can understand. The only reason I can think of behind the alarm clock is so people don't take naps between shows??
I don't remember excercise equipment on the list, but I'll check.
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This one time, at Projection Camp, I stuck a xenon bulb....
Turns out, it was an end-of-year celebration rite-of-passage for the soccer team they were part of. Strange, huh?
1) My theater was build in 1916, so of course we had a group of bats living in the upper dressing rooms. Every once in a while they would decide to visit the people in the auditorium
People would start scooching down in their seats and come out and say "There is a bat in there", we would reply "No it's just a bird, go sit down". On the same "bat" thing, a bat got caught in the booth with one of the owners. She was so scared she wet her pants. Not that's humor 
2) We had a customer that we called "The Mad Crapper", he was a local weirdo that came a lot. When he was in the theater there would always "appear" a pile of crap on the mensroom floor.
3) After the 9:30 show of "Teenage Mutant Ninga Turtles" when we were cleaning after being sold out all day. We got to the front row, now it is about 12:00 a.m. There was a 4 year old child sound alseep. We were crapping ourselves. Where were the parents this late, and didn't they miss this child. As anyone who has kids knows it is almost impossible to wake up a sound-asleep child. So we just left him sleeping while we called the police. They came and found the "Mom" waiting for this 4-year old child outside in her car. She thought it was odd that he hadn't come out yet. The police were not happy with her needless to say.
Tony Ratcliff
Ohio Theatre
Madison, IN