The opening quote "all the world is a will to power" is from Friedrich Nietzsche.
This episode had the most deaths (49) of any episode in the series.
The opening quote was not shown during the episode's original broadcast, marking the first time a quote wasn't shown before an episode began.
In the press release by NBC, the title was "Beginning of the End, Part Two" despite this episode and "Set Up" not being written as a two part finale.