NBC today announced plans to stream full episodes of its new fall primetime shows on nbc.com for free. The ad-supported model will allow viewers to watch episodes of their favorite shows on NBC 24/7, NBC Universal's video player that will re-launch on October 1 with a new enhanced high-resolution, large-format version.

Additionally, nbc.com will feature live premiere blogs from the creators, producers or cast members for every show on the air (complete list follows below). All new, returning, scripted or reality shows will host a live blog immediately after the premiere episode. Viewers will be encouraged to engage in a dialogue with the creator, producer or cast member about the episode as soon as the broadcast concludes.

NBC.com will offer the following programming after the network broadcast:

The first four episodes of 30 Rock, the new comedy starring Tina Fey (who also created the series), Tracy Morgan and Alec Baldwin and the new comedy Twenty Good Years, starring Emmy winner John Lithgow and Jeffrey Tambor.

In addition, nbc.com will provide eight episodes of the new dramas Kidnapped; Friday Night Lights, the new drama based on the theatrical film hit about high school Texas football; Studio 60 on the Sunset Strip, the critically acclaimed new drama from Emmy-winning executive producers Aaron Sorkin and Thomas Schlamme; and "Heroes," the controversial and fresh new drama about ordinary people who discover their have extraordinary powers.