I like going to the movies with people, never alone. I particularly like going with my girlfriend (double dates as well). It's the dark setting and the exclusivity that really makes it a more enjoyable experience (if you know what I mean), as opposed to being cooped up in her house with the parents. Although some parts of the movie are usually missed, due to the extra activities (if you know what I mean), I still love going out to the movies and dinner with her.
Also I will only see certain movies in theaters, movies that I am confident will be good otherwise I won't want to waste my money on it. Unless of course someone else pays for it, in that case I always talk and crack jokes to the person that took me just to make it a more comical experience (as opposed to sitting there in a resentful solitude).