The Amazing World of Gumball: Hey there, Sussie! The world is waiting! The world is waiting! The world is waiting! The world is waiting! The world is waiting! The world is waiting! The world is waiting…
Tilly saying "Oh, my, my, my, my, my!" nonstop in "Okay Karaoke" as she reads the programmer.
Nancy: Uh-oh! I'm hearing some my-mying!
There is a song whose lyrics are as follows: "'Cause it's fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun! Fun!…"
Codename: Kids Next Door: "Who's a happy boy? Who's a happy boy? Who's a happy boy? Who's a happy boy? Who's a happy boy? Who's a happy boy? Who's a happy boy? Who's a happy boy?"
From "Miserable": BUY MY BOOK! BUY MY BOOK! BUY MY BOOK! BUY MY BOOK! BUY MY BOOK! BUY MY BOOK! BUY MY BOOK!
From "A Pig-Boy And His Dog", the discussion Franlkin Sherman has with his neighbor "Wilson" after his wife, Eleanor, writes a massively successful book depicting Jay Sherman as a pig:
Franklin: Oh, Wilson, my wife is happy again. Owl:Hoo. Franklin: My wife, Eleanor. Owl: Hoo. Franklin: My wife, Eleanor. Owl: Hoo. Franklin: My wife, Eleanor. (night falls) Owl: Hoo. Franklin: My wife, Eleanor.
Stop that pigeon, stop that pigeon, stop that pigeon, stop that pigeon, stop that pigeon, stop that pigeon, stop that pigeon! How?
In one memorable episode of Dexter's Laboratory, Dexter crams for a French lesson by listening to a how-to-speak-French album the entire night before. Unfortunately, it starts skipping at "omelette du fromage". Sure enough, it's all he can say. Dee Dee's taunting of his problem definitely counts as well.
Dora the Explorer is guilty of this trope, ad nauseam. And the worst is The Map. Sweet Jesus, The Map.
Map: I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map! I'm the map!
Porky:[semi-comatose] And the deer and the antelope p-p-p-pl- And the deer and the antelope p-p-p-pl- And the deer and the antelope p-p-p-pl-...
Also in "Invasion of the Bunny Snatchers", the clones made by the aliens constantly repeat the character's catchphrases over and over, they also get stuck when talking in normal sentences, "I spwead sunshine and happiness whenever I can, I can, I can" and "Take some some o' these strange-looking wild cactus carrots! They're good for ya, for ya, for ya". Bugs even lampshades this when he tells one of them, "Come over here, ya broken record!"
Bank Clerk: You're a very bad boy, shame on you, I'm going to tell! [thug hits him with a club] I'm going to tell!, I'm going to tell!, I'm going to tell!
In "The Crying Dame", baby Lily falls in love with a singing toy named Fenton the Fox. Unfortunately, the other kids can't stand it, since it endlessly repeats the same lyrics for three days straight:
Fenton: Cheer up baby, don't you cry No more tears, it's cheer-up time Laugh with me and we will be Happy, happy, happy
In "Room and Hoard", Lana and Lola listen to a song that seems to be just "The little froggy goes ribbit, ribbit" on loop.
The Croatian HRT dub of the show has a frequent issue involving various character lines being played more than one time, usually by being partially or fully looped. For instance, in the episode "Friendship Is Magic Part 1", when Rarity notices she'd rather put rubies instead of emeralds on Twilight's clothing, she says "Emeralds?" two times before mentioning the rubies.
The Owl House: In the episode, "Once Upon a Swap", when Hooty is on the phone, he says, "We could talk for hours, and hours, and hours, and hours, and hours, and hours, and hours, and hours…" A nearby resident is heard screaming in pain.
The Patrick Star Show: In "Stuntin'", when Patrick is showing the audience how to make a cheese sandwich, he says "you got your cheese..." six times in a row, all while piling more cheese on.
In "Mom's Birthday", Candace goes to buy her mom a cute little sun dress that they saw in the window of a store. So, she keeps repeating, "Cute little sun dress, cute little sun dress, cute little sun dress..."
During The Stinger for the episode "It's About Time!", Lawrence (the dad) keeps rewinding the end of the audio tour tape he got from the museum so he can hear the part that goes "Fossils! Dun, dun, dun!"
Candace's stuttering at the end of "Picture This": "Bu-bu-bu-bu-but...bu-bu-bu-bu-but...bu-bu-bu-bu-but..."
At the beginning of "Phineas and Ferb-Busters!", Candace stutters "But, but, but" so much it lasts all night until the next morning.
In "Last Train to Bustville", after Candace overhears Glenda saying "give up" multiple times, she hears Glenda's voice in her mind shouting "Give up!" and "Blah, Blah, Blah" over and over, inspiring her to give up busting Phineas and Ferb.
In "Cheers for Fears", Candace says she loves the giant scrapbook for Jeremy, leading her to say, "I love it, I love it, I love it, I love it, I love it, I love it, I love it, I love it, I love it..."
An Al Brodax Popeye cartoon had Brutus hypnotizing Olive into saying nothing but "I love Brutus" over and over. He then hypnotizes Alice the Goon into saying "I love Popeye" over and over. Popeye eventually turns the tide, hypnotizing Olive into saying "I love Popeye", Brutus into saying "I love Alice the Goon", and Alice into saying "I love Brutus".
Ready Jet Go!: When Sean, out of nowhere, says "Help, help, help, help, help!" in "Sean's Robotic Arm".
In the Rugrats episode "Toy Palace", the animatronic Reptar toy endlessly repeats "Halt! I am Reptar!" when activated.
In the Tex Avery MGM Cartoons short "Screwball Squirrel (1944)", at one point when Screwy is being chased by Meathead the dog, the animation frames and music repeat over and over until Screwy moves the needle on the record.
In one episode, Homer falls down the stairs, pulling the string of Bart's Krusty doll in the process. He's left lying on the floor with an injured back, unable to get up, while the doll repeats "I like to play with you!" with obnoxious inflection over and over until the batteries run down.
Marge once said:
Marge: Bart, you have roots in this town and you ought to show respect for it. This town is a part of us all. A part of us all. A part of us all! Sorry to repeat myself, but it'll help you remember. [later, Bart skateboards] Marge:[in Bart's head] This town is a part of us all. A part of us all. A part of us all! Bart: Wow, that does work.
Bart's Madness Mantra when his bed gets a new headboard in the shape of a clown: "Can't sleep, clown will eat me. Can't sleep, clown will eat me. Can't sleep..."
"Dental Plan!" "Lisa needs braces!"
"Will you take us to Mount Splashmore?" "No" "Will you take us to Mount Splashmore?" "No!" "Will you take us to Mount Splashmore?" "No!" Will you take us to Mount Splashmore?" "No!"
In another episode Bart and Lisa merely threaten do to this (saying "Can we have a pool, Dad?"); all it takes is the demonstration for Homer to agree to building a pool.
Lisa's Imagine Spot where she's denied entry to Harvard and has to go to Brown: "No not Brown, Brown, Brown, Brown..." until Miss Hoover jerks her out of it asking "Lisa, you're saying 'brown' an awful lot. Are you okay?".
You don't win friends with salad! You don't win friends with salad! You don't win friends with salad!
Sonic Prime: In the episode "Avoid the Void", it's revealed there is a Shatterspace of a ghostly Green Hill with projections of Tails, Amy, Knuckles, Rouge and Big. However, they're only able to say the same phrases repeatedly.
Tails: As long as I'm around, you'll always have a wingman!
Amy: The forest is the most beautiful place on earth!
Knuckles: I don't need the details, just tell me who to smash.
Rouge: You may not like the way I do things, but I get things done!
Big: No problem, Sonic!
In the South Park episode "It Hits the Fan", the head of the HBC says "shit" 36 times in a row at the end.
SpongeBob SquarePants: Usually with SpongeBob being the one to repeat phrases ad nauseam.
"Patrick's right, Squidward. Sea bears are no laughing matter. Why, once I met this guy who knew this guy who knew this guy who knew this guy who knew this guy who knew this guy who knew this guy who knew this guy who knew this guy who knew this guy who knew this guy who knew this guy who knew this guy who knew this guy who knew this guy who knew this guy who knew this guy's cousin..."note Squidward interrupts this with "You're right!", and SpongeBob says "who knew this guy" 15 times before saying "who knew this guy's cousin".
Examples from other characters:
Zeke the Sheik: "The power within, the power within, the power within, the power within..."
In one episode, Mr. Krabs and Plankton switch places. Krabs attempts to steal a Krabby Patty and is foiled, but as he leaves, he says, "Oh, but I will! Even if I have to come back tomorrow! And the next day! And the next day! And the next day..." Once he's too far away to be heard, the phone rings.
Krabs:[on the phone] ...And the next day! And the next day! And the next day...
The Sir Urchin and Snail Fail Show has a sketch that involves an endless loop of Snail Fail smashing items on Sir Urchin's head, resulting in this exchange:
Sir Urchin: WHY, YOU...!!! Snail Fail: What'd I do?
Squidbillies: "When God takes a dump on your head, you just got to craft it into a hat that says", "when God takes a dump on your head, you just got to craft it into a hat that says", "when God takes a dump on your head, you just got to craft it into a hat that says", "when..."
At the end of "Rest in Pudding", Glossaryck is brought Back from the Dead. However, he is in a state of trauma, saying nothing but "Globgor" non-stop. He spends the rest of the season like this until the end of the season finale, "Conquer", at which point he finally stops and explains that Globgor is the name of Eclipsa's monster lover.
When Star and Marco infiltrate St. Olga's Reform School for Wayward Princesses, they come across a room full of brainwashed students repeating, "Keep your pinkies at 90 degrees. More tea, please. Keep your pinkies at 90 degrees. More tea, please. Keep your pinkies at 90 degrees. More tea, please. Keep your pinkies at 90 degrees. More tea, please. Keep your pinkies at 90 degrees. More tea, please. Keep your pinkies at 90 degrees. More tea, please. Keep your pinkies at 90 degrees. More tea, please. Keep your pinkies at 90 degrees. More tea, please".
"Good soldiers follow orders. Good soldiers follow orders. Good soldiers follow orders. Good soldiers follow orders ..."
Star Wars Rebels: "Twin Suns" has a literal example — the broken Jedi holocron starts playing a corrupted version of Obi-Wan's message, which wakes Ezra up.
This tends to happen to the constructs of Rose's Room. In one instance, it was because the room was overloading due to having created too much. In another example, it happens due to Steven giving the construct a logical paradox.
Steven: I don't want you to just do what I want. Cloud Connie: Uh, you want me to not d-do what you want? Steven: Are you all right? Cloud Connie: I want what you want, what you want-want-want-want-want-want-
In a Meta example, the 30-second promo for the "In Too Deep" event has this, with Pearl's "What we really are" line from the extended opening.
"Legs From Here to Homeworld": Centipeetle, AKA Nephrite, while partially healed by Yellow and Blue Diamond, becomes mentally trapped in the moment right before she was corrupted.
Nephrite: No, please no! No, no, we're all gonna be... No, please no! No, no, we're all gonna be... No, please no! No, no, we're all gonna be...
The Tick had Arthur's Evil Twin: "I, Arthur! I, Arthur! I, Arthur! I, Arthur! I, Arthur! I, Arthur! I, Arthur!"
for the "In Too Deep" event has this, with Pearl's "What we really are" line from the extended opening.