In "Mommy Fearest", the Professor's eyes disappear when he says "It's time for-" before getting cut off by Ima Goodlady/Sedusa.
In "Mommy Fearest," Bubbles' mouth does not move the first time she says, "Duh!"
When Ima comes to move into the Powerpuff residence, she doesn't bring anything - no luggage, no bags, no crates, no nothing. However, the next day she is fully equipped with a couple of new outfits.
All three girls say, "Hi! What's your name?" Yet only Buttercup's mouth is moving.
Buttercup's mouth disappears when the Professor says, "Time for bed, girls."
Although this is Sedusa's first appearance, the girls have apparently met her before.
In "Mommy Fearest," what is Buttercup putting in Professor's jacket pocket?
Professor Utonium: Time for bed, girls! (they brush their teeth) Blossom! (Blossom zooms past) Buttercup! (Buttercup zooms past) Bubbles! Bubbles? (Bubbles sneaks past him giggling) Get back here, young lady!
The Narrator: So, once again, the day is saved, thanks to the Powerpuff Girls!
Professor Utonium: Sorry, I couldn't see that.
(professer says I repeatedly)
Blossom: NOT SO FAST!
Mojo Jojo: Too late, Powerpuffs, or should I say, Powerpups.
Blossom: Saturday night, then?
Buttercup: No! Sunday!
Bubbles: I like Friday!
Ima: Friday it is.
Blossom: Say, 8:00?
Buttercup: No. 10!
Bubbles: I like 7!
Ima: 7 sounds great!
Powerpuff Girls: Yes! Friday at 7!
Narrator: Oh, no! It's turning into a dog day afternoon in Townsville! Literally!
Mayor: AAH!! My life is a lie!
Blossom: We're going to fight crime!
Buttercup: That's what we do!
The episode "Mommy Fearest" made a cameo appearance in the 2000 Bruce Willis movie Unbreakable.
The ending credits theme is sung by Scottish rock band, Bis.
This episode featured the Professor's first crush.
Sedusa is the first female villain to appear on the show.
Villain(s): Mojo Jojo & Sedusa.
Character Debut(s): Sedusa & Mojo Jojo.
This was the first episode to use "The Powerpuff Girls signal." It is also not used very often.
This was the first episode aired, but the second episode in production.
Episode Title: Mommy Fearest
"Mommy Fearest" is a play off the movie, Mommy Dearest.
Sedusa is obviously a reference to the mythological monster named Medusa, who also had snakish hair. Anyone who looked at her became stone.
Powerpuff Signal: Appearance
The powerpuff signal is a parody of the bat signal from Batman.
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