Revealing mistake: When Manuel throws the grapefruit at the other guests, you can see the woman closest to the camera react before Manuel throws it. (00:11:00)
Revealing mistake: When Basil sends the grapefruit flying, we see Polly go through the doors to the kitchen. However, if you look closely at the doors as she goes through you will see just a plain wall. Not the kitchen as is seen in other episodes. (00:11:00)
Answer: A possible explanation can be found here: http://tviv.org/Fawlty_Towers/Waldorf_Salad Quote: "This is, of course, sarcasm, as southern California in general and Los Angeles in particular is famous for its palm trees".
Mortug