WWE announced on July 19th there will be pre and post-shows for the WWE Draft which takes place on SmackDown Live.
In addition there will be a companion show on WWE Network called "WWE Draft Center Live "during the airing of SmackDown to supplement the event.
"Fans will also have the opportunity to enhance their experience with the WWE Draft Center Live, a special supplemental show airing exclusively on WWE Network during the SmackDown broadcast. The revolutionary telecast will allow the WWE Universe to get inside the Draft in a way unlike any other as the lives of Superstars change forever – exclusively for WWE Network subscribers. Subscribe to WWE Network today to be part of this incredible experience!" - WWE.com
The pre-show starts at 7pm EST in the lead up to SmackDown Live.