* There exists a "matted" 1.78:1 widescreen version.
* On a few episodes of ''Bobby's World'', it has a greenish background.
* On A&E airings of a few season 2 episodes of ''L.A. Law'', the logo animation was strangely in slow motion, but the jingle remained unaffected.
* On a [[Channel 4|Channel 4]] airing of ''The Simpsons'' episode "Homer vs. Lisa and the 8th Commandment", the logo cuts out before the final note ends.
* A variant with "DISTRIBUTED BY" at the bottom of the logo also exists.
* This can also be found on the unaired TV pilot of ''Revenge of the Nerds'', which can be found on the "Panty Raid Edition" DVD release of ''Revenge of the Nerds'' (the movie).
* On Netflix, it can be found on several episodes of the first two seasons of ''Bobby's World'' (while others have either the 20th Television or 1996 [[Saban Entertainment|Saban International]] logos).
* Made a strangean appearance on the 10th episode of S4 of ''In Living Color'' (that episode being produced during season 3 (1991-92), but not airing until the fourth season).
* The 1989 version can be seen on a handful of early ''Simpsons'' episodes on FXNOW, FX's streaming service, in 4:3 mode only.
* The 1981 version appeared on the first few episodes of the Fox TV series ''The Adventures of Beans Baxter'' before Fox Square Productions took over (which never used a proper logo; just a copyright notice).
* On April 13, 2007, starting with ''Drive'', the logo was given a more "enhanced" look with more realistic effects. Like the 1998 variant, the registered trademark "®" symbol is already there and the News Corp. byline fades in later. However, some shows still used the 1995 or 1998 variants, such as ''King of the Hill'' (until November 18, 2007), ''American Dad!'' (until May 4, 2008), ''The Simpsons'' (until January 25, 2009), ''Family Guy'' (until May 17, 2009), and ''24'' (until its series finale on May 24, 2010).
* On the 2009 animated sitcom ''Sit Down, Shut Up'', there was a shortened version of the 2007 logo.
* Starting with the 9th season of ''Bones'' on September 16, 2013, the logo is bylineless. This was due to the split of News Corporation which occurred back at the end of June (with Fox and all of the former company's entertainment divisions going to the then-newly-formed 21st Century Fox). Strangely, ''The Simpsons'', ''Bob's Burgers'', ''Family Guy'', and ''American Dad!'' still used the byline until November 10, 2013. ''The Simpsons'' and ''Family Guy'' started using the byline-less version on November 17, 2013, while ''Bob's Burgers'' and ''American Dad!'' started using it on November 24, 2013.
* On the pre-broadcast pilot of the series ''A.U.S.A.'', the logo is slightly extended, starting off with a close-up of the structure, then easing into the normal animation. The standard version was used when it hit broadcast.
* On old AMC broadcasts of ''Young Frankenstein'' and ''The Longest Day'', a B&W version of the 1998 logo appears.
* On 1995-1997 and some post-1997 episodes of ''The Simpsons'', such as the S9 episode "Simpson Tide", the S11 episode "Treehouse of Horror X", the S15 episode "Treehouse of Horror XIV", the S16 episode "Treehouse of Horror XV", the S18 episode "Treehouse of Horror XVII", the S19 episode "Treehouse of Horror XVIII", and the S21 episode "Treehouse of Horror XX", the 1989 TCFTV logo theme is played.
* On ''Seth & Alex's Almost Live Comedy Show'' and the first two episodes of ''Bob's Burgers'', the 1989 TCFTV logo theme is played, except the pitch is a bit higher.
* On the Network Ten and Sky One airings of ''24: Live Another Day'' in Australia and the United Kingdom, a warp speed version of the 1994/1995 [[20th Television]] fanfare was strangely used on the 2013 bylineless variant.
* On older Sky One airings of ''The Simpsons'' season 10 episode "Monty Can't Buy Me Love", the 1995 fanfare is used.
* On ''Quintuplets'', the 1998 enhanced TCFTV tower features the 1994/1995 20th Television fanfare.
* On ''The Simpsons'' season 7 episode "The Simpsons 138th Episode Spectacular", the fanfare comes in roughly half a second to one second after the logo starts animating. For the reason, given Sky One's prints of older episodes freeze at the end transitioning into commercial breaks, the last note of the fanfare is abruptly cut off.
* The ''American Dad!'' season 9 episode "Da Flippity Flop" uses the 2012 TCFTV fanfare, rather than the usual abridged version of the '97 fanfare. As a result of this, given how short this variant of the logo normally is, the last few notes of the fanfare play over a black screen. [[ITV2|ITV2]]'s broadcast of the episode fixes this in a way by freezing the logo before the cut to black, so the fanfare finishes over the static image.
* The ''American Dad!'' season 9 episode "The Full Cognitive Redaction of Avery Bullock by the Coward Stan Smith" uses an abridged version of the 2012 TCFTV fanfare, consisting of the first two notes and the last four notes of the standard fanfare. Strangely, thisThis fanfare isn't present on any other episode, despite fitting the length of the logo as opposed to the example directly above.
* On international PAL prints of ''The Simpsons'' episode "Marge Gamer", the fanfare is double pitched. Certain dubbings of the said episode on [[Disney+ Originals|Disney+]] (and TV airings in those languages), however, have the logo in a regular PAL pitch.
* On select ''St. Elsewhere'' episodes on Hulu, the end theme plays as the logo appears (credits were adjusted to fit in the logo as the theme song ends). However, at least one instance forgets to cut out and thusly you can hear the meow sound effect from the [[MTM Enterprises]] logo even though it is plastered with this one.
* With the renaming, this logo had made its final appearance as a whole on the series finale of ''NeXt'' which aired on December 22, 2020, but this logo made a surprise appearance on episode 8 of season 3 of ''Duncanville'' which aired on June 12, 2022, instead of the [[20th Television Animation]] logo. It's very likely because of an editing mistake.
* While ''Family Guy: Blue Harvest'' actually used the 2007 logo on current prints, the original release used the 1995 logo.
* This is strangely cut-off from Hallmark Channel airings of ''Reba''. However, CMT and UP airings still retain it.
* Interestingly, mostMost TV airings of Fox shows in French territories (Canada, France, Switzerland, Luxembourg, Belgium, Vietnam) from the late 90s up until the mid-2000s usually opened with the 1995 logo, albeit with a slightly dark/brownish taint and a computer generatized fade-in/fade-out. 90s shows used the 1995 theme, while later shows/airings in the 2000s era used the 1997 Fox theme. Airings of widescreen/letterboxed/HD shows like ''Bones'' also used this practice back in the day, but with the 1998 enhanced logo (and no fade-in/fade-out). Recent shows no longer use this practice nowadays.
* The 1995 logo was seen at the start of a late 90s French TV airing of ''Asterix in America'' (''Asterix et les Indiens'').
* When the Sci-Fi Channel (now Syfy) reran ''Batman'' in the late 90s/early 2000s, the 1998 version plastered the 2nd logo.
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