History Recap / OKKOLetsBeHeroesS3E10LetsMeetSonic

* FakeCrossover: Are we really going to assume that this crossover will be brought up or referenced outside of this episode?

* SuspiciouslySimilarSong: Sonic's theme is inspired by but distinct from ''[[VideoGame/Sonic Adventure2 Live and Learn]]'', while Tails' cribs from [[VideoGame/SonicAdventure Emerald Coast's first theme]].

* ShoutOut: At one point, Sonic calls someone “The worst” in a singsong manner similar to Jean-Ralphio Saperstein, a ''Series/ParksAndRecreation'' character played by Ben Schwartz, who will be the voice of Sonic in [[Film/SonicTheHedgehog2020 the 2020 film]].

** Tails' flashback about how he created the Spin Dash is based off of his origin story from ''VideoGame/SonicTheHedgehog2''
** At one point when Sonic pushes Tails off-screen a death SFX can be heard and then Tails flies back on-screen, referencing how he would die and respawn in Sonic 2 and 3.
** The Sonic Sez segments from ''WesternAnimation/AdventuresOfSonicTheHedgehog''. At the end, Sonic says "And that's no good!", which is a reference to the memetic sexual harassment PSA.

** The battle between Metal K.O. and Sonic speeds through recreations of the ''VideoGame/SonicTheHedgehogCD'' ending version of Stardust Speedway as well as the ''VideoGame/SonicGenerations'' version as well as a variation of the ''VideoGame/KnucklesChaotix'' special stage.

** Lord Boxman also belts out Robotnik's signature "I hate that hedgehooog!" line towards the end of the episode.

** While sending Sonic off, K.O. [[WaxingLyrics recites the eponymous line]] of the ''VideoGame/SonicAdventure2'' theme "Live & Learn".

* SuperGullible: Knuckles the Echidna as usual. Lord Boxman cons him into handing over the Master Emerald by saying he needs it for a science project.

* LawyerFriendlyCameo: [[Franchise/SuperMarioBros Mario]] appears in K.O.'s crude crayon drawing of Sonic and him at the "sports games".

** The battle between Metal K.O. and Sonic speeds through recreations of the ''VideoGame/SonicCD'' ending version of Stardust Speedway as well as the ''VideoGame/SonicGenerations'' version as well as a variation of the ''VideoGame/KnucklesChaotix'' special stage.

** KO's drawings of Sonic depicts his adventures of [[VideoGame/Sonic3AndKnuckles destroying the Death Egg]], [[VideoGame/SonicAdventure2 fighting Shadow]], and winning the [[VideoGame/MarioAndSonicAtTheOlympicGames Olympics]], referred to here as the [[BlandNameProducts "Sports Games"]].

* GreenEyedMonster: Tails becomes jealous because he thinks KO replaced him as Sonic's sidekick.
* LawyerFriendlyCameo: [[Franchise/SuperMarioBros Mario]] appears in K.O.'s crude crayon drawing of Sonic and him at the Olympics.

** KO's drawings of Sonic depicts his adventures of [[VideoGame/Sonic3AndKnuckles destroying the Death Egg]], [[VideoGame/SonicAdventure2 fighting Shadow]], and winning the [[VideoGame/MarioAndSonicAtTheOlympicGames Olympics.]]

** The battle between [[spoiler:Metal KO]] and Sonic speeds through recreations of the ''VideoGame/SonicCD'' ending version of Stardust Speedway as well as the ''VideoGame/SonicGenerations'' version as well as a variation of the ''VideoGame/KnucklesChaotix'' special stage.
** When [[spoiler:Roboticized [=KO=]]] is about to sink into a vat of water, [[Anime/SonicTheHedgehogTheMovie Sonic reaches to save him, gets his hand swatted away, and]] [[spoiler:Roboticized [=KO=] says "there can only be one little buddy]].
** Lord Boxman also belts out Robotniks's signature "I hate that hedgehooog!" line towards the end of the episode.
* RollingAttack: KO learns how to do a Spin Dash.

* UnwillingRoboticisation: [[spoiler:Upon being captured by Boxman, K.O. is robotized into Metal K.O.]]

** Lord Boxman makes a subtle reference to Robotnik's "I'll have to give myself a prrromotion!" line from ''WesternAnimation/AdventuresOfSonicTheHedgehog'' when Darrell mistakenly presents Rad and Enid to him. Boxman also belts out Robotniks's signature "I hate that hedgehooog!" line later on.

** Lord Boxman makes a subtle reference to Robotnik's "I'll have to give myself a prrromotion!" line from ''WesternAnimation/AdventuresOfSonicTheHedgehog'' when Darrell mistakenly presents Rad and Enid to him.

** Also from the above series, there are snippets of music from the show, Jethro and Darrel emulate Scratch and Grounder, Boxman declares that they deserve “promotions,” and the end credits sequence is reproduced (which itself was from the show’s pilot, featuring Jim Cummings as Robotnik).

* ShoutOut: At one point, Sonic calls someone “The worst” in a singsong manner similar to Jean-Ralphio Saperstein, a ''Series/ParksAndRecreation'' character played by Ben Schwartz, who will be the voice of Sonic in [[Film/SonicTheHedgehog2020 the 2020 film]].

** Sonic attempts to save Metal KO is reminiscent of his attempt to save Metal Sonic at the end of ''Anime/SonicTheHedgehog''.

** KO's drawings of Sonic depicts his adventures of [[VideoGame/Sonic3AndKnuckles destroying the Death Egg]], [[VideoGame/SonicAdventure2 fighting Shadow]], and winning the [[VideoGame/MarioAndSonicAtTheOlympicGames olympics.]]

* ShoutOut: At one point, Sonic calls someone “The worst” in a singsong manner similar to Jean-Ralphio Saperstein, a ''Series/ParksAndRecreation'' character voiced by Ben Schwartz, who will be the voice of Sonic in [[Film/SonicTheHedgehog2020 the 2020 film]].

* RollingAttack: KO learns how to do a Spin Dash.

** The Sonic Sez segments from ''WesternAnimation/AdventuresOfSonicTheHedgehog''.

* MythologyGag: Plenty, from the ''Sonic'' OVA to the Sonic Sez segments from ''WesternAnimation/AdventuresOfSonicTheHedgehog''.