Happened to us once, too. We ordered two lobster salad plates and they only had one lobster. They actually sent someone out to buy a lobster, cooked and quick chilled it and then served us our lunch. It was a bit of wait and by the time we got to eat I really didn't care if it was lobster or tuna fish straight from the can but I do remember the waitress being so sorry it took so long. OMGoodness - I didn't complain at all about the wait and they didn't charge for the wine I consumed while waiting. All's well that ends well, for sure!!