Timmy the Barbarian/No Substitute for Crazy - S5-E18
Character mistake: In 'No Substitute for Crazy", When Timmy and Sanjay are leaving the school after Mr. Crocker falls down the well, a few cats come up to them and he introduced an orange one as "Omar." Later, when Mrs. Sunshine is leaving after being substitute for a day, Sanjay has cats around him and comforts "Omar", except he says this to a red cat, not an orange cat.
The Hairy Scare of the Devil Bear - S1-E8
Character mistake: Velma says bears only have four claws. Wrong, they really do have five claws.
Coming Home - S1-E13
Character mistake: Kamaria Ray thinks back of her son shooting at the Zeon troopers with a mental image that is wrong; Amuro was not shooting from the bed, but from the door. (00:15:20 - 00:19:20)
Burple Nurples/Shnitzel Makes a Deposit - S1-E2
Character mistake: In "Burple Nurples", Chowder was selling Burple Nurples for 5 dollops each. Later, Mung Daal steals a tray of six Burple Nurples, and Chowder runs after him, telling him that he owes him 300 dollops, instead of 30.
Suggested correction: The tray had more than 6, even if it was drawn to look like just 6, they could have been stacked on top of each other. Later when they're dumped in the fire, you can see more than 6 go in. Plus at that point we don't know how much Chowder was selling them for since it was after Mung Daal (while in disguise) paid more than 5 dollops for one.
Character mistake: After Pronto warns Mario of the path being a trap, Mario says that he earned an A plus for unclogging drains in the Brooklyn Plumbers Academy. However, in "Plummers Academy", he actually flunked out of the academy along with Luigi. (00:09:29)
Character mistake: The episode opens showing "The LLUSTRATED morning " newspaper. Yes, it is missing the letter "i." (00:00:15)
Cat on a Hot Steel Beam - S1-E60
Character mistake: As the fire truck darts out from a back alley, the sign on a nearby gift shop window reads "gift's" when it should be "gifts".
The Night Before Cave Christmas - S1-E6
Character mistake: When Mario says that King Koopa stealing the presents was low, even for a Koopa, Princess Toadstool can be smiling. (00:06:20)
Character mistake: Season 3, Episode 2 "Squirmy". Little Bill and his brother, Bobby are returning his pet earthworm to the soil. Bill calls his brother by the name Jamal. Jamal is Little Bill's baby cousin.
Character mistake: When Rarity sees her cat stuck in the tree, Rainbow Dash is sitting next to the cat, but when you see her, her cutie mark is not there. (00:17:15)
Champion vs. Creator, Part II - S1-E27
Character mistake: Pegasus says his toon world cannot be penetrated, but that is not true since it's a magic card, so any card that destroys magic cards can destroy it. Furthermore, monster special effects can also destroy it.
Character mistake: Throughout the series, General Ross refers to Gabe Jones as Gabriel. Someone of Ross' military credentials would not address another government agent by their first name. He would call him Agent Jones or simply Jones.
Character mistake: When Steve and Blue are at the table setting up Blue's Birthday party outside, Mrs. Pepper is seen standing on the left before she and Mr. Salt bring cupcakes. She and Mr. Salt would've been heading out the door.
Tough Love - S2-E43
Character mistake: When Zane is explaining Cyberdark Dragon's ability to Syrus, he says that for every card in his graveyard, his dragon gains 100 points, before saying "Since there are 38 dragons in my graveyard, Cyberdark Dragon gains 3800 points." However, his deck consists of monster cards, spell cards and trap cards, his statement that there are 38 dragons in his graveyard is incorrect. (00:18:00)
Character mistake: Bessie's last name is misspelled "Higginbottom" on the newspaper Happy shows her.
Takishîdo wa kaze ni mau - S1-E1
Character mistake: During Lucky's initial display of power at the gates of the settlement, he fires a cannon shot at the building and shouts (in the English dub) "How do you like that? Bullseye." There's a view of the building and you can read the horseshoe sign; "Evergreen SHOPING Mall." (00:07:15)
Character mistake: When Cheryl, Pam and Alan Shapiro are talking on the movie set, the store behind them has a typo: Stationary should be spelled "stationEry'. (00:10:30)
Toddler Terrors of Time Travel - S1-E8
Character mistake: This series is a continuation of "The Super Mario Bros. Super Show." However, in this episode, King Koopa implies that he has never taken over the Mushroom Kingdom. This contradicts a main plot point of "The Super Mario Bros. Super Show!", where in many episodes, Mario and his friends look for someone or something to help Princess Toadstool free her kingdom from King Koopa, who has taken over her kingdom.
Adventures in the Elements - S1-E12
Character mistake: On the Hexside brochure, Principal Bump is misspelled "Principle Bump." (00:00:03)
A Frightened Hound Meets Demons Underground - S1-E14
Character mistake: Velma mentions Seattle burned down in 1890. The fire went from June 6-June 7 1889.