A method of controlling a plurality of television devices (1420, 1450, 1510, 1520, 1610, 1620, 1710, 1720, 1750, 1760, 1810, 1820), each television device being connected with a switching module (1430, 1530, 1630, 1730, 1770, 1830) via a respective integrated wire interface comprising a single physical bi-directional control data channel and at least one physical uni-directional AV channel, the switching module being connected to a plurality of source devices sequentially connected via one integrated wire interface, the method comprising the steps of: transmitting a request for listing information for listing at least one content previously saved in the plurality of source devices from a first television device of the plurality of television devices to the plurality of the source devices; receiving the listing information from the plurality of the source devices; displaying the received listing information on a first region of a screen of the first television device; setting, by a second television device of the plurality of television devices, a function of monitoring the first television device; transmitting a signal for requesting a specific content from the first television device to a first source device in which the specific content is saved; receiving, at the first television device, the specific content from the first source device via the switching module; controlling the received specific content to be displayed on a second region of the screen of the first television device; delivering, by the switching module to the second television device, information, which notifies the second television device that the specific content is displayed on the first television device; transmitting a signal for requesting the specific content based on the notifying information from the second television device to the first source device via the switching module; and receiving, at the second television device through the switching module, the specific content from the first source device and controlling the received content to be displayed on a screen of the second television device, wherein the specific content bypasses one or more source devices between the switching module and the first source device. transmitting a request for listing information for listing at least one content previously saved in the plurality of source devices from a first television device of the plurality of television devices to the plurality of the source devices; receiving the listing information from the plurality of the source devices; displaying the received listing information on a first region of a screen of the first television device; setting, by a second television device of the plurality of television devices, a function of monitoring the first television device; transmitting a signal for requesting a specific content from the first television device to a first source device in which the specific content is saved; receiving, at the first television device, the specific content from the first source device via the switching module; controlling the received specific content to be displayed on a second region of the screen of the first television device; delivering, by the switching module to the second television device, information, which notifies the second television device that the specific content is displayed on the first television device; transmitting a signal for requesting the specific content based on the notifying information from the second television device to the first source device via the switching module; and receiving, at the second television device through the switching module, the specific content from the first source device and controlling the received content to be displayed on a screen of the second television device, wherein the specific content bypasses one or more source devices between the switching module and the first source device.