The present invention relates to a method and/or apparatus for transmitting and receiving a broadcast signal for a three-dimensional (3D) broadcasting service. A broadcast signal transmission method according to an embodiment of the present invention comprises the steps of: encoding each of packing frames, in which at least one frame among a left image frame, a right image frame, a depth map frame for the left image, and a depth map frame for the right image is packed, and signaling information for the packing frames; and generating a broadcast signal including the encoded packing frames and signaling information; and transmitting the generated broadcast signal.