In general, certain embodiments of the present disclosure provide methods and/or systems for implementing a program guide, which comprises sending a first request and receiving a first response associated with a current or future program guide information. The current or future program guide information includes a first plurality of channel identifiers and a plurality of time slots that correspond to current or future time slots, and is displayed at a client device. A second request is sent, which indicates a requested time period that has already occurred and not displayed on the client device, and corresponds to navigation to a previous time slot. A second response is received, which is associated with past program guide information. The past program guide information includes a second plurality of channel identifiers and on-demand program information, and is displayed at the client device.