Starlight said that the sunset festival was almost over, but it was lasting for a week and she only left since yesterday in the first part of the previous episode so it was still going on.
When the mane six started to enjoy the festival, Rarity was happy, but after Trixie and Discord flew by them, she frowned.
As the main characters were enjoying the festival, Spike was looking down onto the ground for an unkown reason.
Shining Armour and Flurry Heart weren't seen in any cacoons, but they were present after they were freed.
When everyone saw Chrysalis emerging from the rubble, Applejack looked happy.
Thorax is bigger in his new appearance than the rest of the changelings.
When Twilight asked Starlight what happened, the rest of main cast were missing, but when everyone looked at Chrysalis, they re-appeared.
The tree, from the same part of the season finale episode, was still in the same place where Starlight's house use to be.
The characters trapped in the cacoons keep changing their positions.
Just like in part one, Double Diamond, Party Favor, Sugar Belle, and Night Glider as well as Starlight's village appear again.
This is the first season finale that doesn't revolve around Twilight or all of the ponies.
The changelings, including Thorax, have new appearances expect Chrysilas.
This is the second time a season ends in the same year it was aired.
When Starlight sneaked out of the castle, it was still night time, but after Discord transports himself, Starlight, Trixie and Thorax to the hive, it was early morning.
When Starlight arrived at her old village, a tree is seen the place her house used to be.
Starlight still has fears of her past actions back in season 5, but her old village's ponies forgave her.
Thorax makes his first appearance since The Times They are a Changeling.
Chrysalis makes her first appearance since The Cutie Re-mark.
Double Diamond, Sugar Belle, Party Favor, and Night Glider as well as Starlight's old village make their first appearance in this episode since season five's The Cutie Re-Mark.
Derpy Cameo: She is the mail pony who delivers the letter to Starlight.