The longest-running animated sitcom, both in terms of seasons and episodes, is The Simpsons, which premiered in 1989 and is still airing, making it America's longest-running scripted primetime series, sitcom, and animated show. Globally, Japan's Sazae-san, which started in 1969, holds the Guinness World Record for the longest-running animated TV series by time and episodes, though it's not classified as a sitcom in the same way as The Simpsons.
The longest running animated TV series is Sazae-san (Japan), which was first broadcast on 5 October 1969 and has run for 55 years 1 day, as of 6 October 2024.
10 Longest-Running Sitcoms of All Time - IMDb. Everyone's heard the fact that The Simpsons is the longest-running scripted show in American history, and at this point, with the show still going, it's not even a surprising fact anymore.
SpongeBob is the fourth longest-running American animated series in history, and the longest-running American children's animated series as of 2025. The series' popularity has made it a multimedia franchise, and Paramount Skydance's most profitable intellectual property.
The Flintstones, which debuted in 1960, was the first example of the animated sitcom genre.
The cartoon episode banned for around 44 years was a segment from The Rocky and Bullwinkle Show featuring "Stokey the Bear," a parody of the U.S. Forest Service's Smokey Bear mascot, which led to protests and its removal from airwaves until it resurfaced decades later, a popular example of media censorship in classic animation.
Despite appearing before Bamm-Bamm did, she still crawls while he can walk. This could mean that Bamm-Bamm is older than Pebbles or it's due to his strength. Pebbles' pet name for Bamm-Bamm as an adult is "Bammer".
Series with most episodes
While SpongeBob isn't officially diagnosed, his voice actor, Tom Kenny, has confirmed that many view SpongeBob as being on the autism spectrum, citing traits like his strict routines, intense focus on work, difficulty reading social cues (like Squidward's anger), and social awkwardness as key indicators, seeing this neurodivergence as his "superpower". While some traits could overlap with ADHD, SpongeBob's deep need for routine and challenges understanding emotions align more closely with autism spectrum characteristics.
SpongeBob episode 420 refers to "Best Day Ever," the 20th episode of Season 4, famous for SpongeBob's quest for a perfect day and its catchy theme song, and it's noted for its significant viewership upon release in 2006. While "420" might suggest other contexts, in SpongeBob lore, it's this heartwarming episode where SpongeBob helps his friends, unknowingly making it the best day ever.
Longest Running TV Shows
According to the Guinness Book of World Records, the BBC's “Pinwright's Progress” was the first television sitcom on an international scale. The British comedy featured James Hayter as J Pinwright, a “pompous, deluded shopkeeper.” “Pinwright's Progress” ran from 1946-1947.
31 Best Animated Shows of All Time
At over 7000 episodes and counting, this is the longest Japanese animation series in history (and has entered the Guinness Book of World Records for being the longest running animated television series in the world).
Sandy Cheeks has Borderline Personality Disorder (BPD) - Sandy has mood swings in many epis. One moment she'd blasting the next moment she'd be cool. Plankton has Narcissistic Personality Disorder (NPD) - Plankton has always tried to put Krusty Krab down and make Chum Bucket the best.
The study claimed that four-year-olds who watched 9 minutes of SpongeBob performed worse on executive function tests than peers who watched 9 minutes of Caillou, a slower-paced, more realistic PBS cartoon about a preschool-aged boy, and a peer group that spent 9 minutes drawing.
Mental disorder theory: A theory explaining that the main characters of SpongeBob SquarePants each have and represent a mental disorder, such as SpongeBob SquarePants having ADHD and Patrick Star having Down syndrome. The theory gained virality in early 2023 from a TikTok video explaining the theory.
The following is the list of most watched television broadcasts in the United States by average viewership, according to Nielsen. Of the 30 most-watched telecasts, 27 are Super Bowls. The Apollo 11 moon landing is considered the most watched broadcast of all time, with an estimated viewership of 125–150 million.
Turn-On is an American surreal sketch comedy series created by Digby Wolfe and George Schlatter that aired once on ABC on Wednesday, February 5, 1969. Only one episode was shown partially before being pulled from ABC's airing schedule, leaving another episode unaired.
On the set of the 1994 live-action The Flintstones movie, glassware was banned because the entire cast performed barefoot, creating a safety hazard for potential cuts from broken glass, especially during scenes like bowling.
Bamm-Bamm Rubble (sometimes spelled Bam-Bam Rubble) is a fictional character in the Flintstones franchise, the adopted son of Barney and Betty Rubble.
Several months later they added a boy, Bam Bam, as the adpoted son of Barney and Betty, who found the little guy on their doorstep.