Neither the Trix, Specialists nor the faculty appear in this episode.
In the original Flora was making potions to prepare for her upcoming exam, not for making a witch repellent potion, which explains why it is never mentioned again.
The Junior League of the Swamp is a race of nymphs called the Undines.
When Lusiz explains the Winx about the turtle, illustrations from a book can be seen, The letters written in that book look like Tengwar script from The Lord of the Rings books, and these letters can also be seen in Oritel's Book of Fate in The Secret of the Lost Kingdom.
In original version, a scene of Bloom and Flora hugging in this episode is used in season 2 opening credits.