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Season 1 of Wainy Days premiered on July 30, 2007.

Season 2 of Wainy Days premiered on November 12, 2007.

Season 3 of Wainy Days premiered on June 13, 2008.

Season 4 of Wainy Days premiered on May 6, 2009.

Season 5 of Wainy Days premiered on December 5, 2011.