The 4PM Aladdin show was abruptly stopped after only 2 or 3 minutes on 3/24. On came the lights and the voice over the PA system said that it was necessary to "evacuate" the theater immediately. The CM ushers said it was some kind of a mechanical breakdown or technical difficulty, but the verbage in the announcement seemed different than the normal "remain in your seat..." or "due to a technical problem, we are forced to cancel...".
I went back for the 6PM show. All went fine - excellent ad lib performance by the genie.
After asking 4 or 5 CM ushers if they knew what the problem had been, one pulled me aside after the performance and told me confidentially that there had been a bomb threat that necessitated the evacuation.
How unusual is this? - or does it happen all the time, but we never hear about it...