sentences:  Reruns of "Invader Zim" have been airing on Nicktoons since the channel's launch on May 1, 2002.The series premiered on NickSplat for the first time on January 2, 2019, with a seven-hour marathon before returning nightly as of January 7, 2020.Both seasons of "Invader Zim" are available for download on the Xbox Live Marketplace, Zune Marketplace and PlayStation Store.