Hilarious in Hindsight: This story finished weeks before Sleepless in Ponyville. So it's mighty surprising to see Luna being the dream guardian in Sleepless in Ponyville.
Guess what the subject of Keep Calm and Flutter On is about? One wonders how exactly that plot played out here.
Nightmare Phobia is almost identical to the Tantabus.
Turns out Discord does have his own chaotic dimension, named Chaosville. The only difference is that he seems to be the only occupant among different chaotic species.
Tear Jerker: Fluttercruel being forced to reveal herself to Fluttershy to save her from the Big Bad. She breaks down crying afterwards, realizing she just lost her only chance to get to know her mother.
Construct Twilight and Pinkie Pie say goodbye to Fluttercruel, the poor girl moaning that she couldn't even save one of them.