Season 3 is the third season of OK K.O.! Let's Be Heroes and officially announced by Animation Magazine on June 26, 2019. Season 3 immediately aired on July 7, 2019, a week after the season 2 finale "Dark Plaza" aired on TV.[2] On August 6, 2019, in an interview with Den of Geek!, Ian Jones-Quartey has stated that this season is the final season and will be airing the series finale in 2019.[3] The series finale aired on Friday, September 6, 2019.


New episodes for the third season began airing at the same schedule like the second half of season two, airing on Sundays at 4:30 pm up onto August 25, 2019. The first six episodes of the season premiered on July 5, 2019 on the Cartoon Network app and Hulu with Live TV. On July 19, 2019, it was announced from San Diego Comic-Con that Sonic the Hedgehog and Tails will crossover with the show in the episode "Let's Meet Sonic" that will air on Cartoon Network on Sunday, August 4 at 4:45 pm.[4] It was confirmed later that "Let's Meet Sonic" will not air on the app, but on TV first instead. On July 26, 2019, five episodes aired on the app and Hulu with Live TV. On August 16, 2019, five episodes aired on the app and Hulu with Live TV, it is the last batch of episodes streamed online before TV. After the broadcasting of "Red Action 3: Grudgement Day" and "Carl", the final three episodes: "Dendy's Video Channel", "Let's Fight to the End", and "Thank You for Watching the Show" are advertised as a one hour special event that will broadcast on the network on Friday, September 6, 2019 at 7 pm.

Volume 6 Summary

In this videogame inspired world, K.O. works at Gar’s Bodega, a one-stop shop for all your hero needs. Whether he’s mopping the floor with Lord Boxman’s evil robots or literally mopping the floor, K.O. tackles everything with enthusiasm.


in series
in season
Titlecard Title Airdate Prod. code
93 1 We Are Heroes Titlecard "We Are Heroes" July 5, 2019 (online)
July 7, 2019 (TV)
K.O. struggles with his upgraded role as a member of the hero team.
94 2 KO, Rad, and Enid! Titlecard "KO, Rad, and Enid!" July 5, 2019 (online)
July 7, 2019 (TV)
When confronted with their lack of a team gimmick, K.O., Rad, and Enid wonder what their group identity should be.
95 3 TKO Rules Titlecard "TKO Rules!" July 5, 2019 (online)
July 14, 2019 (TV)
K.O. and T.K.O decide to swap places for the day.
96 4 Chip's Damage Titlecard "Chip's Damage" July 5, 2019 (online)
July 14, 2019 (TV)
Elodie enlists K.O. to help figure out what to do about Chip Damage.
97 5 K.O. vs. Fink Titlecard "K.O. vs. Fink" July 5, 2019 (online)
July 21, 2019 (TV)
When Fink taunts K.O. for being a momma's boy, he grapples with newfound insecurity about it.
98 6 The K.O. Trap Titlecard "The K.O. Trap" July 5, 2019 (online)
July 21, 2019 (TV)
K.O., Rad, and Enid are caught in an especially devious trap.
99 7 Whatever Happened to Rippy Roo Titlecard "Whatever Happened to... Rippy Roo?" July 26, 2019 (online)
July 28, 2019 (TV)
Rippy Roo visits the plaza.
100 8 Planet X Titlecard "Planet X" July 26, 2019 (online)
July 28, 2019 (TV)
When Rad returns to his home planet, he learns a shocking truth about alien society.
101 9 Deep Space Vacation Titlecard "Deep Space Vacation" July 26, 2019 (online)
August 4, 2019 (TV)
When Gar lets K.O. and Enid take a vacation to outer space, they get more than they bargained for.
102 10 Big Reveal Titlecard "Big Reveal" July 26, 2019 (online)
August 11, 2019 (TV)
K.O. finds out who his father is.
103 11 Radical Rescue Titlecard "Radical Rescue" July 26, 2019 (online)
August 11, 2019 (TV)
Rad is forced to reconsider his identity when K.O. starts taking on some of his traits.
104 12 Let's Meet Sonic Titlecard "Let's Meet Sonic" August 4, 2019 1072-095
When world class hero SONIC THE HEDGEHOG visits the plaza, he teams up with K.O. to save the day.
105 13 Lets Get Shadowy Titlecard "Let's Get Shadowy" August 16, 2019 (online)
August 18, 2019 (TV)
K.O. teams up with an unlikely ally to take on an old foe.
106 14 Youre a Good Friend KO Titlecard "You're a Good Friend, KO" August 16, 2019 (online)
August 18, 2019 (TV)
K.O. brings Dendy along for a hero mission in order to cheer her up.
107 15 Red Action 3 Grudgement Day Titlecard "Red Action 3: Grudgement Day" August 16, 2019 (online)
August 25, 2019 (TV)
K.O. and Enid attempt to prevent a mysterious power battle between Rad and Red Action.
108 16 Carl Titlecard "Carl" August 16, 2019 (online)
August 25, 2019 (TV)
A pleasant weekend goes awry when a monster attacks.
109 17 Dendys Video Channel Titlecard "Dendy's Video Channel" August 16, 2019 (online)
September 6, 2019 (TV)
Dendy tries to update KO's Video Channel for him, but has trouble finding something to post.
Lets Fight to the End Titlecard "Let's Fight to the End" September 6, 2019 1072-110
When a fighting tournament is announced at the Plaza, there is more at stake than meets the eye.
112 20 Thank You for Watching the Show Titlecard "Thank You for Watching the Show" September 6, 2019 1072-112
When KO finds moments of his life slipping by, he begins to suspect something weird is going on.


  • This season features new background artwork and a slight color shift of the characters' palettes.
    • However, in the flashbacks in some episodes, especially ones that are not shown in any previous episodes uses the old background art and color palette.
  • On July 10, 2019, Toby Jones posted the ideal story order for Season 3 with the first eight episodes of the season.[5]
    • On August 19, 2019, he updated the ideal story order for Season 3 without "Let's Fight to the End" and "Thank You for Watching the Show" due to not being announced yet.[6] A small tweak is that "Hope This Flies" is placed before "The Perfect Meal".
    • On August 27, 2019, it is updated to include the last two episodes and "Let's Fight to the End" is the penultimate episode.[7]
  • Amazon, iTunes, and Vudu lists "You're a Good Friend, KO" before "Let's Get Shadowy" in their seasons pass.
  • This is the shortest season of the series airing for at two months due to having less episode count.
  • "Let's Meet Sonic", "Let's Fight to the End", and "Thank You for Watching the Show" are the only episodes to be aired on TV before being available online due to "Let's Meet Sonic" announced from Comic Con and the last episodes are the last episode of the series.

External Links

Reference Sources

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