Balance of Flour - The title is an obvious reference to Balance of Power.
Pac-Man - The title card is a reference to Pac-Man. Additionally, when Poof eats the second batch of brownies, he does in a similar way as Pac-Man.
Lucky Charms - Cosmo describes Strangle Buns pastries as "magically delicious", which is a reference to Lucky Charms' slogan "They're Magically Delicious".
The Exorcist - When Poof's head spins around 360-degrees, he makes an obvious reference to the film.
SpongeBob SquarePants - The Anti-Fairies trying to get the brownie formula from Timmy is a reference to Plankton trying to get the Krabby Patty formula from Mr. Krabs. Adding to that, Anti-Cosmo disguises as a giant cupcake to steal the formula which is similar to Plankton disguising as a Krabby Patty to steal the formula. Also, the exploding pies in this episode might refer to the SpongeBob SquarePants episode "Dying for Pie".
Metal Gear Solid - People saying "more" in a deep voice after eating a brownie is a reference to the Cyborg Ninja (Gray Fox) boss fight in Metal Gear Solid wherein he says to Solid Snake after being attacked by the latter "Hurt me more! More!!! More!!!"
Poof burped, but in Fairly Odd Baby, it was stated that lightning happens when Poof burps but in this episode, nothing happened. On the other hand, Poof may have gotten control over his magic by this point since the magic he did in Fairly Odd Baby were way beyond his control and they occurred a lot in Fairly Odd Baby due to his reactions.
It is unknown why Cosmo, Anti-Cosmo, and Anti-Wanda would wear costumes since they can shape shift, and Cosmo has impersonated Timmy by such means before.
When Poof was about to turn his head 360 degrees. The plate had randomly disappeared.
On the title card, part of Poof's outfit is the same color as his skin.
When Fairy Hart is telling that Anti-Fairies confirmed their presence, Anti-Wanda's ear are pointed.
In one scene, Anti-Wanda's ears looks pointed like Foop's.
Anti-Wanda made Food that tasted bad (the rat cake). However in Food Fight Wanda makes food that tastes bad which would mean that Anti-Wanda would make food that tastes good.
Someone saying "MORE, GOOD, MORE!" in a deep voice after eating Nana Boom Boom's brownies.
Someone throwing exploding pies at someone else.
Someone saying they had gotten something from the back of a comic book.
Nana Boom Boom saying "BOOM BOOM!" whenever she is about to poof somewhere.