* [[spoiler:Kuu's]] Day of Flight and Rakka's depression afterward.
* The episode that showed Reki's past.
* Rakka seeing [[spoiler: the bird skeleton]] in the well and asking it for forgiveness.
* At the end of the series, Reki [[spoiler:begs Rakka to help her]]. Reki's despair in the final episode in general, as well as [[spoiler:giving up on any hope she thought she had for salvation]] is quite sad to watch.
* Rakka [[spoiler:saving Reki by pushing her out of the way of the railroad tracks]].
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