Shared television sessions are described. In embodiment(s), television content can be received via a tuner of a tuner device. A shared television session can be established between rendering devices that share the tuner of the tuner device to receive the television content. A tuner configuration input can be received when initiated at a rendering device, and the tuner configuration input can be communicated to the tuner device to change the television content. The tuner device can receive different television content via the tuner according to the tuner configuration input. Tuner update data associated with the tuner configuration input can then be communicated to update the rendering devices that further share the tuner of the tuner device to receive the different television content.