The feature, to be deployed on September 13, allows viewers to watch all episodes of a given series while it is still on air.
The BBC Trust has imposed a limit on the offering, restricting its usage to a maximum of 15% of all TV on-demand programming. Further, a maximum of 13 episodes for a given series will be available at any one time.
The first series to be stacked include new Saturday night drama Merlin, the new adaptation of Tess of the d'Urbervilles, Charles Dickens adaptation Little Dorrit and new apocalyptic drama Survivors.
Up until now, episodes of TV shows have been accessible for seven days after TV broadcast.