When Fry is walking towards the palace suddenly his jacket is off then as he walks up the steps the jacket is back on.
As the suns set, Bender comments "At last, the suns are setting, finally I can switch to hard liquor." and gets rid of his wine glass in favor of a martini. But as he begins speaking, the camera angle is from a distance, and Bender is already holding a martini glass with an olive. When the camera zooms in, the has the wine glass that he throws away for the second martini glass.
Bender has no taste in this episode, but in the previous episode he was grossed out upon trying the anchovies.