* DudeNotFunny:
** Done purposely with the Bible Dude sketches (where gays are fried by heat vision and Hillary Duff is a conduit for Satan).
** Lots of other sketches on ''Series/{{MADtv}}'' would be considered this due to the show's heavy use of BlackComedy and gross-out humor. For example:
*** A sketch about a [[TheFifties Fifties]]-themed diner that many would like to forget had the owners of the establishment take CringeComedy to new lows and DeliberateValuesDissonance to its disturbingly logical conclusion by treating some black customers the way an "average" white person would have supposedly treated them in the '50s: ignoring their orders, making [[FauxAffablyEvil backhandedly rude comments]] to them in passing, and finally threatening them with a large fire hose when they started complaining [[ArtisticLicenseHistory (not realizing - or caring - that the last phenomenon took place in the sixties, and only in a particular region of the country, and only under extreme circumstances)]]. The black husband finally declared that he hated the diner and that he was going to burn the place down. Made worse by the fact that racial discrimination in restaurants, while not extreme enough to warrant a fire hose, is a problem that still happens periodically in modern times.
* EnsembleDarkhorse: ''[[IncomingHam HAI AHM KENNY ROGERS]]''
** Miss Swan is one of the quintessential sketch characters, and one of the most widely-known.
** The Vancome Lady is also very popular.
** Stewart, though like most of the show's popular characters he suffered from overuse.
* FunnyAneurysmMoment: One episode from the late 1990s had a FullHouse parody of a TV movie reunion. The RunningGag was of the Olsen twins obviously changing between shots, with Mary Kate being overweight. This is hard to watch considering she developed an eating disorder as an adult.
* GermansLoveDavidHasselhoff: This show is popular in Sweden and the Netherlands. Most of the sketches uploaded on YouTube are from in English with either Swedish or Dutch subtitles.
* HilariousInHindsight:
** ''Series/{{MADtv}}'' did a parody of the MTV reality show, ''The Ashlee Simpson'' show, which included a sequence where Ashlee Simpson's lousy singing is remedied by sound engineers making her sound like a mix between Britney Spears, Jennifer Lopez, and Paula Abdul. While Ashlee is lip-synching to the track, she momentarily stops to groove to the music, then stops when she realizes she's not lip-synching. About two years after that sketch aired, Ashlee Simpson would actually be outed as a lip-syncher on ''Series/{{MADtv}}'''s rival show ''Series/SaturdayNightLive''. (See also above.)
** The "''Sopranos'' Censored on PAX" sketch -- back then, it was a commentary on how ''Series/TheSopranos''' violent, sexual content would be reduced to nothing on a channel that wasn't HBO (which was gaining fame for showing television shows that pushed censorial boundaries). These days, this joke has become a reality (only ''Series/TheSopranos'' would be EditedForSyndication on A&E, not PAX. In fact, PAX stopped being a channel in the mid-2000s and was replaced by a superstation called ION).
** The ''Friday the 13th: Jason Takes NASA'' sketch is now a reality, thanks to ''Film/JasonX''.
** One of the sketches they had during the 12th season was an animated three-part sketch showing pilots that Creator/CartoonNetwork rejected (one show about an amputee superhero team and another about a Korean superhero who decapitates people). Cartoon Network (and its parent company, Time-Warner) were the ones who acquired ''Series/{{MADtv}}'' and turned it to ''MAD'' after FOX gave up on ''Series/{{MADtv}}'' and canceled it.
** One of the sketches for "Clops" had Gumby running away from the police and robbed a grocery store. A similar event happened in 2011 where a guy dressed in a Gumby costume decided to rob a grocery store.
* MemeticMutation:
** Most notably the ''Can I Have Your Number'' sketch, featuring Nicole Randall Johnson as a man who hits on women by repeatedly asking for their number.
** Ms. Swan, particularly her infamous and ("Okay"/"Oh yah") "I teh yu evrteen" and "He look-a like-a man" lines.
* NightmareFuel: Many of this shows attempts at CrossingTheLineTwice only managed to cross the line once before falling flat on their face into BlackComedy.
** The Curious George parody especially.
** Stuart. When he enters his "dark place."
* SeasonalRot: Spoofed on the [[http://www.youtube.com/watch?v=n1ocC0xocQM "What's on TV"]] music video (with Josh Meyers as Eminem).
** For the real seasonal rot, see TheyChangedItNowItSucks
* ShallowParody: There's a parody of ''Film/TheDarkKnight'' made during the final season where Batman (played by Matt Braunger) couldn't afford good gadgets because of how bad the American economy has become and make it seem like that without gadgets, his villains could easily kick his ass. While it ''is'' funny, any Batman aficionado will tell you that Batman portrayals haven't been especially gadget-heavy since the campy 1960s TV show starring AdamWest, and, while, Batman still has the coolest toys in later incarnations, he relies mainly on his detective work and physical abilities. Though this case of ShallowParody is undercut with some RuleOfFunny, as the sketch more made fun of the fact that the American economy is in the crapper and a lot of once-rich people are trying to be inventive and resourceful in laughably bad ways.
* TheyChangedItNowItSucks: Much like ''SaturdayNightLive'', a lot of fans have cited many cast and writer changes (and a change in studio and show format in its last couple years) as a reason why the show went downhill, as well as the show being based on ''MAD Magazine'' despite that all of the magazine's hallmarks (Alfred E. Neuman and his "What me worry" catchphrase, the Don Martin shorts, and the "Spy vs. Spy" cartoons) were phased out after season 3 and the show became a cheap knock-off of post-1970s ''SNL'' mixed in with ''InLivingColor'' in its fourth and fifth season and the short-lived pre-''Series/{{MADtv}}'' sketch shows, ''House of Buggin'' and ''Saturday Night Special''.
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%%* GoodBadBugs: By repeatedly selling and buying your studio (whose price increases greatly each time), you'll eventually be in such a colossal debt (represented by having negative money) that the minus sign will not fit into memory... thus getting you billions of dollars.