Megabox (메가박스) is a nationwide chain of movie theatres. Megabox has recently started adding an "M Theatre" (M관) that has extra large, red seats, where the most popular movie plays.
COEX - located inside the mall. Samseong Station exit 6 will lead into COEX after which one only has to follow the arrows on the signs to find the theatre. The area underground around the ticket buying area has recently been refurbished into an underground 'green space', an area with tables and artificial grass and trees where people can wait before the movie starts. There are also a number of stores and shops, including a Coffee Bean and Tea Leaf.
