A television system provides access to Internet data simultaneously with a displayed television program. Data units including data address sites available through a networked computer system such as the Internet are embedded in a television signal along with a television program. Information representing the data address site, such as an icon or descriptive text, is displayed simultaneously with the television program on the television. If the user selects the data address site, a data retrieval terminal in two-way communication with the network and associated with the television establishes a connection with the network and requests the data corresponding to the selected data address site. The retrieved information is then formatted for display.