The Simpsons

On-screen title card.

The Simpsons is an American animated sitcom created by Matt Groening and produced by Gracie Films and 20th Century Fox Television for the Fox Broadcasting Company. It has been on the air since December 17, 1989, with over 700 episodes across 33 seasons. There was even a theatrical film in 2007.

The series follows the Simpson family: Homer, his wife Marge, and their three children, Bart, Lisa, and Maggie, living in the fictional town of Springfield. They are known for their yellow skin, and Homer's catchphrase of yelling "D'oh" when something goes wrong.

Similar to Family Guy, The Simpsons are no stranger to making Hanna-Barbera parodies. In 1997, the series even overtook The Flintstones in being the longest running animated prime time series. Some of the jokes are in the style of the series' infamous Couch Gags.

Banana Splits

"Day of the Jacknapes:" Kent Brockman reports that the Banana Splits were killed in a plane crash.

Capital Critters

"Treehouse of Horror III:" A grave for Capitol Critters is seen, which was created as a rival to The Simpsons but was short-lived.

Grave of Capitol Critters.

Fish Police

"Treehouse of Horror III:" A grave for Fish Police is seen, which was created as a rival to The Simpsons but was short-lived.

Grave of Fish Police.

Flintstones

"Homer's Night Out:" When Apu asks whether Homer is on TV, Homer responds that Apu has mistaken him for Fred Flintstone.
"Kamp Krusty:" The couch gag has the family running up to the couch, only to find the Flintstones occupying it.
"Marge in Chains:" Bart asks for "Flintstones chewable morphine."
"Marge vs. the Monorail:" The opening parodies the opening of The Flintstones, with Homer even singing a parody of the theme song.
"A Star is Burns:" Bart watches The Jetsons Meet the Flintstones. He complains about it being a cheap corporate crossover.
"The Simpsons Spin-Off Showcase" and "HOMЯ:" A character named Ozmodiar appears that only Homer can see, a parody of the Great Gazoo who only Fred and Barney could see.
"The Day The Violence Died:" The Flintstones are brought up by Roger Myers Jr. when he explains that most animation is plagiarizing existing properties.
"Hello Gutter, Hello Fadder:" Homer uses Fred Flintstone's bowling technique.
"Missionary: Impossible:" Homer says, "Now, if The Flintstones has taught us anything, it's that pelicans can be used to mix cement."
"Mobile Homer:" Bart and Lisa look at a "Flintstones fun map."
"Lady Bouvier's Lover:" Mr. Burns mistakes the family for the Flintstones.
"Treehouse of Horror V:" During "Time and Punishment," at one point, the house turns into the Flintstones' house.

The Flintstones take over the couch in "Kamp Krusty."

Huckleberry Hound

"Treehouse of Horror XXVI:" For the couch gag, Bart is wearing a Huckleberry Hound mask.
"Behind the Laughter:" The next episode of Behind the Laughter will be about Huckleberry Hound. During a sneak peek, Huckleberry confesses that he was so gay, but he couldn't tell anyone.
"The Day The Violence Died:" Huckleberry is brought up by Roger Myers Jr. when he explains that most animation is plagiarizing existing properties.

Bart with a Huckleberry Mask in "Treehouse of Horror XXVI"
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Huckleberry Hound being interviewed in "Behind The Laughter"

Jetsons

"Bart Gets Famous": The set of Match Game 2034 has a Jetsons-like future setting.
"Lisa's Wedding": Homer's shirt look exactly like George Jetson's.
A Star is Burns:" Bart watches The Jetsons Meet the Flintstones. He complains about it being a cheap corporate crossover.
"All Singing, All Dancing": The couch gag has the floor turn into a treadmill. Homer yells for Marge to "Stop this crazy thing" ala George Jetson.
"Children of a Lesser Clod:" In Homer's basketball fantasy, he is hit in the leg by George Jetson's flying saucer, to which he yells, "JETSON!" in the same way his boss, Mr. Spacely, does.
"My Big Fat Geek Wedding:" Lenny dresses as George Jetson at the bi-mon-sci-fi convention.
"My Fare Lady:" At the beginning of the episode, Homer has a dream that references the opening theme song of The Jetsons.
"Postcards from the Wedge": A film based of the futuristic setting of The Jetsons is seen in Bart's Class
"Replaceable You": As the robopets are roaming through town, they stop to watch TVs on display, with The Jetsons playing on it. On it, Rosie and George Jetson are on the TV. Rosie explains to George that if she doesn't get her green card (implying that Rosie is an immigrant), she'll be turned back into a washing machine.
"The Man Who Came to Be Dinner": One of the videos shown at Out-Of-Date Futureland is a parody of The Jetsons.
"The Miseducation of Lisa Simpson": Carl imagine a Jetsons-like future, with him taking the role as George Jetson.

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Homer sees George Jetson in "Children of a Lesser Clod"
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Homer has a Jetsons dream in "My Fare Lady"

Johnny Quest

"Deep Space Homer:" An astronaut is named Race Banyon, a play on Race Bannon, the Quest family bodyguard.

Josie and the Pussycats

"Jazzy and the Pussycats" the episode title is in reference to the series. Ironically, the episode is about a musical rock band.

Magilla Gorilla

"When You Dish Upon A Star:" Homer dreams he's Magilla Gorilla and mauls Mr. Peebles after he takes away his banana.

Powerpuff Girls

"The Dad Who Knew Too Little": Lisa says she looks like a Powerpuff girl after painting her hair black
"Bart VS Itchy & Stratchy": In Lisa's room, there is a wall of female cartoon character, with the Powerpuff Girls on it.
"Lisa's Belly": Blossom, Bubbles, and Buttercup were all crushed by the chunky sign.

Scooby Doo

"The Girl Who Slept Too Little:" Lisa says, "If Scooby Doo has taught me anything, it's that the only thing to fear are crooked real estate developers."
"A Star Is Born-Again:" Upon hearing that Ned Flanders has a date with a movie star, a mall security guard sarcastically replies "Sure, and I'm going apple-picking with Scooby Doo!"
"A Star Is Burns:" Homer makes a joke, "Scooby-Doo can do-do, but Jimmy Carter is smarter."

Smurfs

"Simpsons Roasting on an Open Fire:" Bart mentions watching a Christmas special of The Smurfs on TV.
"Treehouse of Horror X:" The Collector says that Xena can call him "Big Papa Smurf" on their wedding night.
"Trilogy of Error:" During his drunken rambling, Homer mentions that The Blue Men Group are rip-offs of The Smurfs.
"Kiss Kiss Bang Bangalore:" Homer claims that Papa Smurf is "pretty cool."

Snagglepuss

"Sweet Seymour Skinner's Baadasssss Song:" When Ralph sees Santa's Little Helper in the air ducts, Ms. Hoover claims that he also saw Snagglepuss
"Lady Bouvier's Lover:" Comic Book Guy shows Bart a cell of Snagglepuss to show a cell that is worth something, as opposed to the cell of Scratchy's arm Bart was trying to sell him.
"Treehouse of Horror XXXI:" During the Into The Homer-verse segment, Homer-Barbera turns into Snagglepuss and uses all of his catchphrases including "Heavens to Marge-atryod," "Even" and "Exit, stage left."

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Comic Book Guy's Snagglepuss cell in "Lady Bouvier's Lover"
Homer-Barbera as Snagglepuss in "Treehouse of Horror XXXI"

Tom and Jerry

"The Bart Simpson Show": Springfield's version of Tom and Jerry are Itchy and Scratchy. However, it's much more gruesome than Tom and Jerry.

Top Cat

"The Day The Violence Died:" Top Cat is brought up by Roger Myers Jr. when he explains that most animation is plagiarizing existing properties.

Wacky Races

"Children of a Lesser Clod:" Comic book Guy is shown wearing a Muttley T-shirt to a basketball match at the YMCA.
"Gone Abie Gone:" The couch gag is a parody of Wacky Races.

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Comic Book Guy's Muttley Shirt in "Children of a Lesser Clod"
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Simpsons Couch Gag goes Wacky in "Gone Abie Gone"

Quick Draw McGraw

"Million Dollar Abie:" Quick Draw, as El Kabong, joins the crowd of celebrity look-a-likes during the "Springfield Blows" song.
"Treehouse of Horror XXXI:" During the "Into the Homer-verse" segment, Homer-Barbera briefly turns into Quick Draw.

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El Kabong plays the guitar in "Million Dollar Abie"
Homer-Barbera as Quick Draw in "Treehouse of Horror XXXI"

Yogi Bear

"Much Apu About Nothing" - Moe tells the mayor a bear stole his "pic-a-nic" basket.
"The Day The Violence Died": Yogi Bear is brought up by Roger Myers Jr when he explains that most animation is plagiarizing existing properties.
"When You Dish Upon a Star:" Homer dreams he's Yogi Bear, with Bart as "Bart-Bart" and Ned Flanders as the Park Ranger.
"Mr. Spritz Goes to Washington:" Homer looks at a kid's menu featuring an activity where the goal is to help Yogi Bear find Washington.
"Don't Fear the Roofer:" In the hospital, Homer jokes that he can see Yogi Bear.
"Treehouse of Horror XXXI:" During the Into The Homer-verse segment, Homer Barbera turns into Yogi and tells Boo Boo that they should steal a "pic-a-nic meal."
"Treehouse of Horror XXI": During Lisa and Edmund's date in the park, Yogi passes by them with Ranger Smith's head in a picnic basket.

Homer as Yogi Bear in "When You Dish Upon a Star"
Homer-Barbera as Yogi in "Treehouse of Horror XXXI"

Other

"The Front:" Roger Meyer's Jr. notes that animators reuse backgrounds to save cost as he, Bart and Lisa pass by the same door, water cooler and cleaning lady several times. This parodies the fact that Hannah-Barbera reuses their backgrounds many times.
"HOMЯ:" The voice actor who copies other characters' voices and celebrity voices at the animation festival references how many early Hanna-Barbera "funny animal" characters' voices were often based off popular celebrities of the time.
"Grampa vs. Sexual Inadequacy" and "Who Shot Mr. Burns? (Part One):" The couch gag features the family in Hanna-Barbera poses running past the couch several times.

The Simpsons parody Hanna Barbera in "Grampa vs. Sexual Inadequacy" and "Who Shot Mr. Burns? (Part One)"