There is a pun in the title, due to the fact that Goldie is triangle-shaped.
In this episode, Mr. Turner sees the school, the fairies, and saw Timmy with Cosmo and Wanda, but he doesn't lose them (it may be because Mr. Turner thought it was the Pencil Nexus building decorated for the play and the fairies were actors).
Cosmo is revealed to be very fond of theater.
This episode also reveals that Poof and Foop share only one thing in common: they both hate theater.
The Cobras in Foop's sack resemble the Indian Cobras.
This episode reveals Anti-Wanda packs Foop's lunch. Which means either he lives with his parents or they share the same prison cell.
It has been speculated that this may have been a type of back door pilot for a spin off show with Poof as the main character. This is based on there was talk about creating such a show, and by the fact most of the episode centered on Poof and Foop.
Unlike Cosmo and Wanda, Anti-Cosmo and Anti-Wanda didn't come to see Foop in the play.
This is one of the few episodes where Cosmo, Wanda and Timmy are only minor characters.
This episode was aired a couple of days before Valentine's Day.
Love Triangle - This term refers mostly to a romantic relationship that involves three people (two of the same gender and one of the opposite one). It involves the two same gender people fighting over the opposite one to win it affection. This refers to the fact that Poof and Foop fight over Goldie throughout the episode.