The plane had pushed back and was nearly at the runway when they were asked to hold their position and contact their dispatcher. Dispatch told the crew that they had a couple of deadheading pilots that they needed to get on the plane. The captain had one of the flight attendants open the aft airstair door and a crew bus drove the deadheading pilots out to the waiting airplane. The passengers weren’t let on to what was taking place. All they knew was the airplane had come to a stop, a flight attendant had gone back and opened the door, and two pilots were coming up the stairs and into the cabin. All eyes were on them, wondering what was going on, as the two deadheading pilots were making their way through the cabin. Finally, to break the ice, one of the pilots said, “I can’t believe that stewardess actually got the engines started and tried to leave without us…”