Disclosed are a method and device for transmitting and receiving broadcast signals. The disclosed reception method comprises a step for extracting second program table information which indicates the association properties between a plurality of programs, the programs being obtained by using a broadcast stream which comprises at least one program, program table information which indicates the broadcast stream, and at least one broadcast service, from a received broadcast signal. The method further comprises a step for parsing the broadcast stream by using the extracted program table information; and a step for acquiring information about the groups to which the plurality of programs belong by using the extracted second program table information.