I need people who live in twin falls idaho to answer this:what would happen if we got sneaking into a movie?

alright im visiting twin falls idaho for a couple of days and my friend lives here and i suggested we go see a movie. we want to go watch bruno but since its rated r they wont let us in ,sooo we decided to buy a ticket for a g movie and go into bruno and this is the part where you guys who live in twin falls come in we are going to the movie theatre in the "magic valley mall" i think its called the oddesey? but would we be able to sneak into it easily i mean are there ticket guys in by the theatres itself??? and what would the guys at that theatre do if we got caught for people who have gotten caught there recently we are both 14 btw