September Premieres Also Include OK K.O.! Let’s Be Heroes Half-Hour Special and Other New Returning Favorites

Recently nominated for its seventh Emmy, Adventure Time is returning to Cartoon Network this September with featuring four all-new back-to-back episodes of the beloved series, premiering Sunday, Sept. 17 at 7 p.m. (ET/PT). The event kicks off with “The Wild Hunt,” in which Finn must slay a fierce creature terrorizing the Candy Kingdom.
 
But first, tune in for an action-packed new episode of OK K.O.! Let’s Be Heroes in a half-hour special “T.K.O.” on Labor Day. In the episode, K.O. searches for power and accepts help from a mysterious figure. “T.K.O.” premieres Monday, Sept. 4 after a brand new episode of the Emmy nominated Teen Titans Go!
 
September is stacked with all-new episodes of Ben 10, Teen Titans Go!OK K.O.! Let’s Be HeroesThe Amazing World of Gumball and We Bare Bears premiering on Fridays starting at 5 p.m. (ET/PT) and all-new The Powerpuff Girls airing Sundays at 5:30 p.m.
 
Plus, fans can ‘See It First’ this September with new episodes of The Amazing World of Gumball hitting the Cartoon Network app on Friday, Sept. 2.

See below for full programming lineup:
 
Ben 10
Premieres continue Fridays at 5 p.m. (ET/PT). Plus, beginning Friday, Sept. 1, a 10-week celebration of episodes featuring Ben’s 10 aliens will be presented starting with Diamondhead.  
 
Teen Titans Go!
New episode premieres Monday, Sept. 4 at 6 p.m. (ET/PT). Weekly premieres return Fridays at 6 p.m. (ET/PT) beginning Sept. 15.

  • Monday, Sept. 4: “Labor Day” – It’s Labor Day and Robin teaches the other Titans about the importance of labor.

OK K.O.! Let’s Be Heroes
Half-hour special “T.K.O.” premieres Monday, Sept. 4 at 6:10 p.m. (ET/PT)
Premieres continue Fridays at 6:30 p.m.

  • Monday, Sept. 4: “T.K.O.” – Searching for power, KO accepts the help of a mysterious figure. Our heroes band together to save the plaza from a new menace. 

The Amazing World of Gumball
Premieres continue Fridays at 7 p.m. (ET/PT)
 
We Bare Bears
Premieres continue Fridays at 7:30 p.m. (ET/PT)
 
The Powerpuff Girls
Premieres continue Sundays at 5:30 p.m. (ET/PT).
 
Adventure Time
Four new episodes premiere Sunday, Sept. 17 at 7 p.m. (ET/PT)

  • Sunday, Sept. 17: “The Wild Hunt” – A fierce creature is terrorizing the Candy Kingdom but before Finn can slay the beast, he must first overcome a guilty conscience.
  • Sunday, Sept. 17: “Always BMO Closing” – BMO and Ice King hit the road as door-to-door salesmen and stumble upon an irresistible opportunity.
  • Sunday, Sept 17: “Son of Rap Bear” – When Flame Princess is coaxed into a high stakes battle against the indomitable Son of Rap Bear, Finn must help her search for a new strategy.
  • Sunday, Sept. 17: “Bonnibel Bubblegum” – A long lost artifact causes Princess Bubblegum to harken back to the creation of the Candy Kingdom.

DC Super Hero Girls
All-new special premieres Monday, Sept. 4 at 7 a.m. (ET/PT)

  • MondaySept. 4: “Intergalactic Games – Super Hero High is facing off against Korugar Academy in the Intergalactic Games, but Lena Luthor takes advantage of the gathering of supers to enact her villainous plan.

 
Transformers: Robots in Disguise
Premieres continue Saturdays at 6:30 a.m. (ET/PT)
 
Justice League Action
New episodes continue Saturdays at 7 a.m. (ET/PT)