When Wanda poofs up a widescreen TV, its widescreen scene is similar to Wishology!
Apparently, Mrs. Turner doesn't always remember to feed Timmy at dinner time, evidenced when she saw "fly head" Timmy eating in the garbage, she said that "Perhaps I should start making dinner for three."
At the end of the episode, it shows a fly flying across the screen.
This is the tenth time Timmy has been transformed into another creature.
This is the first time Crocker doesn't go crazy for fairies.
When Mrs. Turner says, "That's girl talk for go to the bathroom," she looks at the screen, breaking the fourth wall.
A police force appearing in the middle of the episode is outfitted with flyswatters. This is a pun on the term SWAT, with actually stands for 'Special Weapons and Tactics'.
The Fly - The movie that everyone was seeing was a take on the infamous movie. Also, this Fairly OddParents episode is a parody of this 1958 film.
TV Ratings - The movie rating FTTFTT ("Far Too Terrifying For Timmy Turner") is a pun of NC-17 (No one 17 or under).
Mr. Turner "powdering his nose" in his pants
Mrs. Turner saying "powder my nose" (which is girl talk for "Go to the bathroom")
Cosmo and Wanda's castle is much less elaborately furnished than it was in "Smart Attack" and "Hassle in the Castle". On the other hand, they may have changed how it looked like on the inside after "Smart Attack" due to Mr. Turner seeing the inside of the castle with a submarine-like device
In Danny Phantom, Dash had five fingers but in this, he has four fingers. This is probably because people in The Fairly OddParents! have four fingers and the people in Danny Phantom have five fingers.
When Mrs. Turner takes Timmy's T.V., part of the wall is stuck with the outlet plug and the T.V. is plugged in. Then, when Mr. Turner says, "Now we can watch it on 2 T.V.s!" the part of the wall is gone and the T.V. is unplugged.
Chester and Bucky McBadbat don't need 3-D glasses if they were listening to "I Was a Teenage Blowfly" on the radio.
While Poof and Timmy were at Mr. Crocker's house, the alarm doesn't detect Poof as a fairy. But when Cosmo and Wanda were at Mr. Crocker's house, the alarm detected them as fairies.