* ActorAllusion: The short "Sir Yaksalot" has a segment that parodies ''Franchise/{{Godzilla}}'' movies and Kaiju films in general, where the Warner siblings attempt to get help against the dragon from a council used to dealing with giant monsters, complete with their voices being (poorly) overdubbed. PerryMason is among them, referencing Raymond Burr's role in the localized versions of some of the Godzilla movies.
* AdoredByTheNetwork: TheHub seems to adore this show really much, airing promos for it during every program (even during Animaniacs itself!) and having constant marathons of the show whenever a holiday is near-Christmas, Martin Luther King Day, Super Bowl Sunday, and even President's Day. Not only that, the show airs for three hours on weekdays. They even got Rob Paulsen (Yakko) Jess Harnell (Wakko) and Tress Macneille (Dot) to record new spots, in character, for the show's reruns.
* ChannelHop: From FOXKids to KidsWB when it was first-run. In reruns, the show jumped from Cartoon Network to Nickelodeon to Nicktoons TV to The Hub.
* {{Composers}}: Unlike ''WesternAnimation/TinyToonAdventures'', ''Animaniacs'' used a comparatively small but stable group of composers: Richard Stone, Carl Johnson, Steve and Julie Bernstein, Gordon Goodwin, Tim Kelly, and J. Eric Schmidt.
* TheDanza: Colin, the kid who talks about Randy Beaman, was voiced by Colin Wells.
* EditedForSyndication: When ''Animaniacs'' aired on {{Nicktoons}} Network and Nickelodeon, the opening theme was so plastered with references to the channel that fans rejoiced when the [=DVD=]s of the original episodes were released.
** Averted with Creator/CartoonNetwork and The Hub, as both channels air the episodes exactly as they used to air on FOX and the WB.
* EnforcedMethodActing: Whenever Nathan Ruegger (Skippy) had to laugh as part of the script but couldn't laugh convincingly enough, his dad would come into the studio to tickle him.
* FakeBrit: Wakko and Pinky both have British accents provided by American voice actors, but other than their accents, there's really nothing to indicate that they are British.
* HeyItsThatVoice:
** Anyone who is into Broadway musicals will recognize Rita's voice (singing ''and'' speaking) as Bernadette Peters.
** Creator/NancyCartwright (best known as the ''Simpsons'' voice actress for Bart, Todd Flanders, Ralph Wiggum, Kearney Zzyzwicz[[note]]one of the three bullies -- he's the one who looks like a teenaged version of that bald mental patient who thought he was MichaelJackson and only looks like he could be 16 to 18 years old, as a lot of episodes have jokes about Kearney being an adult who looks like a kid[[/note]], and Nelson Muntz [[note]]The other bully character. He's sometimes seen with Dolph, Jimbo, and Kearney, but mostly does bullying at Springfield Elementary, not commit petty crimes around the neighborhood[[/note]]) is Mindy, in one of the few times she's voiced a girl (the other rare time is when she voices Maggie Simpson [when Maggie isn't being voiced by a celebrity like Creator/ElizabethTaylor, JodieFoster, or James Earl Jones])
** The "Good Idea, Bad Idea" and "Mime Time" segments are narrated by Tom Bodett, who is probably best known for his radio ads for Motel 6 ("We'll leave the light on for you").
** In "Guardin' the Garden" and "Noah's Lark", the narrator was Ernie Anderson, the "Voice of Creator/{{ABC}}". They even got him to say "[[TheLoveBoat The]] ''[[TheLoveBoat Loooooooooooooove]]'' [[TheLoveBoat Ark]]" in "Noah's Lark"! [[note]]The fact that Tom Ruegger and crew indirectly worked for ABC in the past probably has something to do with it, too, but that's neither here or there[[/note]]
** Julie Brown (who also played Julie Bruin on ''Tiny Toon Adventures'', was a VJ during the days of MTV when it was a music video channel with the occasional non-music video show, like ''BeavisAndButthead'', ''House of Style'', and ''The Real World'', and had a short-lived show on ComedyCentral called ''Strip Mall'' where she played a washed-up child actress trying to get her life back together) was Minerva Mink.
** Creator/MauriceLaMarche is The Brain while RobPaulsen voices Pinky (that applies to this show and the two spinoffs).
** JimCummings narrated a few episodes, such as "A Gift Of Gold" and "Nighty Night Toon" in using his Sterling Holloway voice (which is now associated with Winnie the Pooh).
** FrankWelker is Slappy's enemy Doug the Dog. ... in fact, about half the male cast members are all voiced by Welker!
* MissingEpisode: Episode #55 has a chase scene bumper that's missing from the [=DVDs=].
* TheOtherDarrin: Walter Wolf was voiced by FrankWelker in "Hurray for Slappy" and Creator/JessHarnell in all subsequent appearances.
* ScrewedByTheNetwork: Jamie Kellner (whom you may know as the guy who claimed watching television while skipping ads with a [=DVR=] is tantamount to stealing, as well as the guy responsible for cancelling all programming from [[Wrestling/WorldChampionshipWrestling WCW]], leading to the company's bankruptcy in 2001) apparently ignored the very high ratings from older audiences while the show was on WB and found the low ratings from kids to be an excuse to cancel the show, though it shouldn't be a surprise as a lot of cartoons created by Warner Brothers at the time were canceled for similar reasons, like ''Freakazoid!'' and ''Road Rovers''.
* TalkingToHimself: Notably Rob Paulsen, who voiced Yakko, Dr. Scratchansniff, and Pinky.
* WhatCouldHaveBeen:
** The concept for the show was originally going to star a family/group of green ducks, since the baby version of Plucky Duck from ''TinyToonAdventures'' went over so well, but wouldn't be related to Plucky and would have nothing to do with the rest of that cast. The team eventually decided that ducks [[ItsBeenDone "have been done"]] and retooled the premise to star 1930s-style cartoon characters.
** Pip was originally supposed to be a dog.
** CharlieAdler auditioned to do voicework on this show (and his rejection is why he quit ''TinyToonAdventures''). One wonders what character he would have voiced if he was hired on the show.
* WrittenByCastMember: "Bumbie's Mom" was written by Sherri Stoner (the voice of Slappy Squirrel).
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