Ok this slip up is when Max and the scouts cross the bridge. One of the scouts get scared on the bridge. So max starts cutting the brigde because the real scout leader and the FBI guy is right behind them. Finally the scout kid crosses the bridge and max gets on the ground to cut the bridge. The real scout leader is about to cross. Max shakes his head no to him. Then Max cuts the bridge. The bridge falls. As it's falling you see the real scout leader jump to the edge of the mountain. In the next shot the real scout leader is standing on the mountain. Then in next shot you see him climbing up the broken bridge again... its really funny.. keep your eyes open.