* {{Blooper}}: When Tod is being chased by Chief a second time (as an adult), there are several shots where his collar is missing.
** During the first chase, Chief goes after Tod while dragging his doghouse barrel behind him. When Amos runs out after them in the next scene, however, there are still two barrels: one with Copper tied to it and an empty one that should still be attached to Chief.
** At the beginning of the film, just before we see Tod's mother, the camera zooms through a spider's web, however the shot is ''very'' blurry and out of focus. According to some of the animators who worked on the film, the camera operator for that scene was new and didn't know how to properly film the animation of the spider web before the shot of Tod and his mother.
* CreatorBacklash: Several notable animators, including [[Creator/{{Pixar}} John Lasseter]], Creator/DonBluth and Creator/TimBurton, rarely speak kindly of this film, citing it's tight-budgeted animation, which all but did away with the innovative technology the company had invented, as the final sign that Disney had become a [[{{Flanderization}} shell of it's former self]].
** CreatorBreakdown: Tim Burton, in particular, ''literally went insane'' trying to replicate the Disney style. Highlights from his tenure include locking himself in his closet, biting people who came near his desk and ''[[BodyHorror pulling out his wisdom teeth]]'', then running through the halls of the studio as [[BloodFromTheMouth blood gushed from his mouth]]. He pulled the plug on his job at Disney after this movie, becoming a freelance director for Warner starting with ''Film/PeeWeesBigAdventure'', and didn't attempt animation again until the ''WesternAnimation/{{Beetlejuice}}'' cartoon, and only worked with Disney again a [[WesternAnimation/TheNightmareBeforeChristmas decade]] later.
* KeepCirculatingTheTapes: It's pretty hard to come across a copy of the book. If you want to buy one be prepared to spare $200 to $300.
* HeyItsThatVoice: Tod is Mickey Rooney, Copper is Creator/KurtRussell, Amos Slade is [[Film/WillyWonkaAndTheChocolateFactory Grandpa Joe]] and [[Series/ChicoAndTheMan Ed Brown]], Vixey is [[TheSwanPrincess Queen Uberta]], Chief is [[Disney/RobinHood the Sheriff of Nottingham]] and [[Disney/TheAristocats Napoleon]], the grumpy badger is [[Disney/TheRescuers Rufus]], and Boomer and the porcupine are [[Disney/TheManyAdventuresOfWinnieThePooh Tigger and Piglet]], respectively.
** Young Copper is voiced by a young CoreyFeldman.
*** The semi-sequel has [[TheBackyardigans Austin]] as young Tod.
** In the Japanese dub:
*** Tod: Michihiro Ikemizu ([[{{Patlabor}} Isao Ohta]]) and in the semi-sequel, he's voiced by Reita Shiboi, who voiced ''Disney/{{Bambi}}'' in also their respective sequel.
*** Amos Slade: Creator/ChikaoOhtsuka ([[VideoGame/MetalGearSolid4GunsOfThePatriots Big Boss]], [[Franchise/SonicTheHedgehog Dr. Eggman]], and Goemon Ishikawa XIII in the first series of Anime/LupinIII.)
*** Chief: Osamu Saka ([[{{Patlabor}} Seitaro Sakaki]])
*** Dinky: Creator/YasuoYamada ([[Anime/{{LupinIII}} Lupin III]])
* LifeImitatesArt: Meet [[http://www.buzzfeed.com/summeranne/real-life-fox-and-the-hound-best-friends-will-melt-your-hear Sniffer the fox and Tinni the Hound]]
* RecursiveAdaptation: The Disney books were inspired by the movie, which was inspired by the original novel.
* TroubledProduction: There were many troubles going on with the production. Several veteran animators either retired or died early in production, batches of animation drawings were stolen, leaving several scenes to be rotoscoped from pencil tests, and Don Bluth led an exodus of practically half the animation team, which delayed its release by six months.
* WhatCouldHaveBeen: Creator/DonBluth was assigned to co-direct the film until he and his colleagues departed from the studio in 1979. Scenes he worked on were the scenes of Widow Tweed milking the cow and her grabbing Slade's gun and accidentally shooting it.
** Originally, Chief was going to die, thus making Copper's revenge against Tod much more extreme, but the idea was discarded for being too dark and was rewritten so Chief would get injured instead.
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* This was the first movie to feature a lot of the animators who would go on to play pivotal roles in the Disney Renaissance movies and the studios that sprang out of them such as Pixar and Creator/DreamWorks, which ironically crushed Bluth in their wake.
* This was the final movie that the whole of Disney's Nine Old Men worked on; all of them retired around this film's release, with Eric Larson staying on as a trainer and supervisor. Wolfgang Reithermann, who was the effective head of Disney Animation, died in a car crash around ''The Black Cauldron'''s release, and his death plus spiritual successor Jeffrey Katzenberg getting the department dropped in his lap spelled the end of the old style of animation moviemaking.
* Speaking of Katzenberg, this was the last Disney Animated Classic released before turmoil at Disney allowed the future Creator/DreamWorksAnimation founder into the studio. The few years after ''Fox and Hound'''s release saw two major projects, ''Film/{{TRON}}'', and ''Literature/SomethingWickedThisWayComes'', bomb due to a dire lack of marketing. When Ron Miller became CEO in 1983, he attempted to revitalize Disney from near-bankruptcy by creating Touchstone, which led to ''Film/{{Splash}}'', and the Disney Channel, but his efforts got thwarted when the shortcomings of Disney boss Card Walker and Roy E. Disney bolting from the studio and launching a shareholder revolt combined with an attempted takeover from raider Saul Steinberg, who was aiming to break up Disney and sell it's individual parts. Steinberg was paid off not to follow through on his threat, but it became the last straw for new shareholder Sid Bass, who now wanted Miller out. He got his wish, and Michael Eisner from Paramount and Frank Wells from Warner Bros. were hired to CEO and COO positions, respectively. Eisner hired Katzenberg right away, and Miller and studio chief Tom Wilhite were forced to resign to let Eisner and Katzenberg into their positions. The massive bombing of ''The Black Cauldron'' the following summer became the final nail in Miller's coffin; he retired to winemaking.
* ''The Fox And The Hound'' was the final new release in the original Walt Disney Classics video line of animated classics from Disney Animation in 1994. Well's death, the release of ''The Lion King'', and Katzenberg ending his relationship with Disney on a sour note came before the next Disney classic to be released, Walt's original "Timeless Classic" ''SnowWhiteAndTheSevenDwarfs'', kicked off the Walt Disney Masterpiece Collection line. ''The Fox And The Hound'' is also the last Disney Animated Classic to have the Buena Vista logo; all films after this will have the Walt Disney Pictures logo no matter what.