The show was canceled on October 2, 2006, due to a management shakeup at Cartoon Network, leading to the departure of key executive Sam Register. Cartoon Network ended Hi Hi Puffy Ami Yum i in ...

A new block, “Checkered Past,” will debut under the Adult Swim banner — on the channel it shares with Cartoon Network — starting August 28 on Monday through Friday at 6 p.m.