Good Genes is a season 4 storyarc of the 2003-2009 animated TV series. It tells the story of the Ninja Turtles going to John Bishop's headquarters to find a cure Donatello's secondary mutation.
TMNTPedia
Good Genes is a season 4 storyarc of the 2003-2009 animated TV series. It tells the story of the Ninja Turtles going to John Bishop's headquarters to find a cure Donatello's secondary mutation.