[DemolitionRed]

Sarah thinks she's safe this week and that's why this twist is so brilliant. We would be seeing a very different Sarah if she thought there was any chance of getting the boot tonight.

As for fixed evictions, its fixed in a way. The producers show up the warts of those they want evicted just before eviction night. They know that showing the Sarah versus Joel clip is going to get the masses riled against her which is obviously what the producers want.