An optical disc playing system, comprises a selecting apparatus for receiving a command from a user, which requires to play a part of content of a program in the optical disc; a sending apparatus for sending a request which requires to provide the related information of said part of content; a receiving apparatus for receiving the related information; and a reading-out apparatus for reading out the received related information and said part of content. An optical disc playing method using said system comprises the steps of: receiving a command from a user, which requires to play a part of content of a program in the optical disc; sending a request which requires to provide the related information of said part of content; receiving the related information; and playing the disc in coordination with said part of content using the received related information.