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"Rad's Alien Sickness" is the 36th episode of Season 2 of OK K.O.! Let's Be Heroes and the 90th episode overall.


When our heroes are infected with a virus, Rad stubbornly refuses to back down.[1]






  • An indicator of Rad taking long to recover than Enid and K.O. was the color differences on their faces when they coughed after inhaling the fumes. Rad's face was blue while Enid's and K.O.'s faces were purple.


  • Enid and K.O. claims that they never get to see Ernesto fight and usually comes once a season despite the fact he fought from previous episodes. However, they either probably meant a specific Ernesto, as Ernesto responded that "he is not just regular Ernesto" and Ernestos are only revealed to have numbers part of their names or they meant that the fact that he is battling alone instead with other Boxmore bots as "OK Dendy! Let's Be K.O.!" had this and it was from Season 1.
    • Another claim that can be counteracted was when in "Sidekick Scouts", Ernesto says that he is trying to raise his credibility and to be impressive, which could support the fact the Bodegamen overlooked his presence in battle.
  • Ernesto was given an upgrade from Professor Venomous after he was not given from "Sidekick Scouts".


Image Gallery

Click to view the gallery for
Rad's Alien Sickness.


Reference Sources

ve Episodes
Pilot Lakewood Plaza Turbo
Shorts KOEnidRadCarolEnid's Bad DayBarrels and CratesRad CriesRad's VanCommercialPower-Up!!!DendyBoxmore InfomercialLet's Do It Together!
Season 1 Let's Be HeroesLet's Be FriendsYou're Everybody's SidekickWe Messed UpJethro's All YoursYou're Level 100!Sibling RivalryI Am DendyYou Get MeYou Are RadJust Be a PebblePresenting Joe CuppaDo You Have Any More in the Back?My Dad Can Beat Up Your DadWe've Got PestsLegends of Mr. GarKnow Your MomWe're CapturedFace Your FearsEverybody Likes Rad?You Have to CarePlaza PromSecond First DateOne Last ScoreT.K.O.Stop Attacking the PlazaWe've Got FleasNo More Pow CardsA Hero's FateLet's Have a StakeoutParents DayWe Got HackedRad Likes RobotsKO's Video ChannelThe Power Is Yours!Glory DaysPlazalympicsBack in Red ActionLet's Take a MomentVillains' Night OutVillains' Night InPlaza ShortsLet's Watch the PilotMystery Science Fair 201XLad & LogicOK Dendy! Let's Be K.O.!RMS & Brandon's First EpisodeLet's Not Be SkeletonsAction NewsThe Perfect MealHope This FliesYou're in Control
Season 2 Seasons ChangeLord Cowboy DarrellPlaza Film FestivalBe a TeamMy Fair CarolLet's Watch the Boxmore ShowYour World is an IllusionThe So-Bad-icalPoint to the PlazaTKO's HouseRed Action to the FutureDendy's PowerSpecial DeliveryWisdom, Strength, and CharismaBittersweet RivalsAre You Ready for Some Megafootball?!Mystery SleepoverFinal ExamsSoda GenieCarolQuestBoxman CrashesMonster PartyCrossover NexusSuper Black FridayPlaza AloneAll in the VillainySidekick ScoutsWhacky JaxxyzProject Ray WayI Am JethroGarQuestGar Trains Punching JudyBeach EpisodeOK A.U.!KO's Health WeekRad's Alien SicknessDark Plaza
Season 3 We Are HeroesKO, Rad, and Enid!TKO Rules!Chip's DamageK.O. vs. FinkThe K.O. TrapWhatever Happened to... Rippy Roo?Planet XDeep Space VacationBig RevealRadical RescueLet's Meet SonicLet's Get ShadowyYou're a Good Friend, KORed Action 3: Grudgement DayCarlDendy's Video ChannelLet's Fight to the EndThank You for Watching the Show
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