History Trivia / StretchArmstrongAndTheFlexFighters

* IKnewIt: Several viewers have admitted feeling suspicious ever since episode #1 that [[spoiler:Rook would eventually betray the Flex Fighters]].

* AuthorAppeal: After {{Race Lift}}ing various ''Franchise/SpiderMan'' characters in ''WesternAnimation/TheSpectacularSpiderMan'', Victor Cook (who has both Korean and Caucasian heritage) similarly pushed for Charter City to feel as diverse as modern-day UsefulNotes/NewYorkCity.

* TalkingToHimself: Grey [=DeLisle=] Griffin voices both of the Freak Sisters, as well the rich woman of the party they crash in episode 5.

* WhatCouldHaveBeen:
** The concept of Stretch Armstrong was pitched to many different movie studios in the 1990s and 2000s before ultimately Hasbro decided on making a cartoon.
** If ''[[Trivia/Revolution2016 Unit: E]]'' had panned out, we would've seen the Flex Fighters far earlier, fighting alongside other Hasbro heroes.
** Wingspan wears purple in early concept art, instead of green.
** "The Rise of the Tech Men" originally featured a gag where Stretch accidentally pulls the pants from a Tech Man to reveal drawers that had Twilight Sparkle and Applejack from ''WesternAnimation/MyLittlePonyFriendshipIsMagic''. However, the actual episode release has changed that to a more generic hearts pattern. The original can still be seen in the "Villains of Charter City" [[https://www.youtube.com/watch?v=459AkS-N0w0 trailer]].
** Hasbro originally suggested a DistaffCounterpart to Stretch as one of the Flex Fighters' allies. In the final show, [[spoiler:the female allies they gain over the first two seasons do fight evil with Flexarium, but for different purposes than stretching.]]
** The tie-in comic book to the series was originally going to have [[http://collider.com/stretch-armstrong-comic-kevin-burke-chris-wyatt-interview/ a second three-issue arc]] that took place between "Singularity Event" and "Crisis at the Cleo", but the comic seems to be cancelled after the first arc. Also, the comic was supposed to introduce a villain before the show, but this didn't come to fruition.
** [[https://mobile.twitter.com/otherland71/status/1151120916316745729?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1151120916316745729&ref_url=https%3A%2F%2Fs9e.github.io%2Fiframe%2F2%2Ftwitter.min.html%231151120916316745729 Mechanica]] was originally named Ultima Vortex.
** [[https://mobile.twitter.com/Victor_Cook1/status/1271877843417325568 Blindstrike]] was originally going to be male before Michael Vogel suggested the character be female.
** Biomass's [[https://twitter.com/joeymasonart/status/1040111614370840576 original design]] was going to resemble a leshy, a Slavic mythological plant spirit, before final design was approved.

* {{Typecasting}} : Among other casting choices, Scott Menville once again plays a [[WesternAnimation/TeenTitans2003 teen hero/good Guy]] , Felicia Day plays a nerdy and [[WesternAnimation/FishHooks adorkable girl]] , and Clancy Brown once again plays a [[WesternAnimation/SupermanTheAnimatedSeries villain]] .

** "Gangs Of Old Town" has Eric Bauza voicing one of the gang leaders, who's shown to have a strict sense of honor. He's done this [[WesternAnimation/TransformersRobotsInDisguise on another Hasbro show]] .