Zim Vol. 1: Doom Doom Doom DVD set on May 11, 2004. The pilot made its television debut simulcast on Nickelodeon and Nicktoons on December 24, 2011, as part of their "Nicktoon's Winter Funderland" block and the "Nicktoons on Nickelodeon block". Season 1 (2001–02) The first season of Invader Zim consists of twenty episodes, which are ordered below by production number and not their original broadcast order.Note: All episodes of the series were directed by Steve Ressel. Season 2 (2002; 2006) In August 2001, Nickelodeon officially renewed Invader Zim for a second season which was originally planned to consist of twenty episodes. In January 2002, Nickelodeon announced that they had plans to cancel the series. The series finished with a total of twenty-seven out of its initially contracted forty episodes, leaving several episodes unfinished. The seventh episode of season two aired on Nickelodeon on December 10, 2002. The remaining six completed second season episodes were initially unreleased. These episodes would first be made available on DVD in 2004 and later made their television debut on the Nicktoons Network in 2006. Netflix film (2019) In April 2017, Nickelodeon announced that there would be a television film based on the series. On June 26, 2018, it was announced that the film was titled Invader Zim: Enter the Florpus. The film released digitally on Netflix on August 16, 2019. Notes References External links Episodes Lists of American children's animated television series episodes Lists of American science fiction television series episodes Invader Zim Lists of American comedy television series episodes