A brand new Cartoon Network original series - OK K.O.! Lets Be Heroes will be premiering on Cartoon Network UK and Ireland on Monday 9th October at 6.30pm. .<br> A brand new Cartoon Network original series - OK K.O.! Lets Be Heroes will be premiering on Cartoon Network UK and Ireland on Monday 9th October at 6.30pm. .<br> A brand new Cartoon Network original series - OK K.O.! Lets Be Heroes will be premiering on Cartoon Network UK and Ireland on Monday 9th October at 6.30pm. .<br>
