Bonus footage from Martinsville, Championship spotlighted in final ‘Race for the Championship’ episode

Editor's note: Tune in live or set your DVRs for the final episode tonight at 11 ET on USA Network. The previous 10 episodes are currently available for streaming on Peacock. The final Season 1 episode of USA Network's unscripted series "Race for the Championship" airs tonight at 11 ET, and it provides an exclusive behind-the-scenes look at the Championship 4 race at Phoenix Raceway with some additional moments from the Round of 8 finale at Martinsville Speedway. The episode will then be expanded with even more exclusive footage the following day when it hits Peacock for streaming. MORE: Best moments from 'Race for the Championship' The "Race for the Championship" docuseries debuted Sept. 1 with an episode dedicated to the beginning of the NASCAR season. As the series and season have both evolved, it caught up to real-time with the episode right before the season finale at Phoenix. NBC Universal previously announced that the entire season of "Race for the Championship" is now available on Peacock. So after watching tonight's episode, be sure to stream previous episodes or any you may have missed on Peacock. -- How to find USA Network | USA Network streaming on the go