A couple of people on the Tesla owned fora have been disappointed at the last moment when Tesla informed them their cars were not in fact ready - the cars were apparently not even at the designated delivery center. This was at Costa Mesa and Marina del Rey, California delivery centers.
Standing in for Elon in this rehearsal video is his stunt double Russell Crow:
Theme of broadcast: Now is when real Hell actually commences
Part 1: Elon greets the remaining reservists
Part 2: Elon responds to the competition
Part 3: Surprise appearance on the production line