List of Viva Piñata episodes
From PinataIsland.info, the Viva Piñata wiki
The first 40 episodes of Season 1 were aired from August 26, 2006 to April 28, 2007, while the last 12 episodes were held over until the fall season, beginning September 8, 2007. The first 16 episodes of Season 2 were then aired following them, until December 8, 2007. The remaining 36 episodes of Season 2 are currently airing on the Canadian television network YTV, and will be airing on 4Kids TV beginning in September 2008.