Couldn't think of 50 things. But I did manage to come up with 10. First you must identify those bonehead individuals. Then the fun begins.
1. Wait till they come up to the ticket window the put up the CLOSED sign until they leave.
2. Sit them in a special location where all the seats are SUPER GLUE SPECIALS.
3. Get them all in one theater for an action movie and lock all the doors. Run t.v. episodes of "BARNEY".
4. At the high point in a movie shut down all the power and announce a power failure.
5. Sprinkle their buttered popcorn with SOAP
FLAKES.
6. Have people come in dressed as cops, turn up the house lights and announce that drug testing will commense immediately.
7. When they throw things at the screen return the their fire with a dart gun.
8. Paint fake exit doors on a wall and count how many times they bang into it trying to get out.
9. When they speak out during a movie have the rest of the theater yell back at them to "SHUT UP" all at the same time.
10. Perform a strip search in the lobby before allowing them into the movie.
You have any added ideas?