Directed by Steve Ressel   Written by Rob Hummel   Roman Dirge   Jhonen Vasquez   Cast Richard Steven Horvitz ... Zim / Scientist (voice) Rikki Simons ... GIR / Squeek (voice) (as Rosearik Rikki Simons) Andy Berman ... Dib Membrane (voice) Melissa Fahn ... Gaz Membrane (voice) Rodger Bumpass ... Professor Membrane (voice) Danny Cooksey ... Keef / Melvin / Dirge (voice) John Garry ... Mysterious Mysteries Narrator (voice) Jhonen Vasquez ... Computer (voice) (as Mr. Scolex) Antoinette Spolar ... Popular Girl / Gretchen / Reporter (voice) Produced by Monique Beatty   Christine Griswold   Mary Harrington   Steve Ressel   Jhonen Vasquez   Original Music by Kevin Manthei

Additional Info Premiere: April 13, 2001 DVD Release: November 21, 2006 Country: Distributor: Anime Works Websites: Production Companies Nicktoons Productions Distributors Nickelodeon Network   (2001-) (World-wide) (all media) Media Blasters   (2004) (USA) (DVD) Anime Works   (2004) (USA) (DVD) CBS All Access   (2020) (USA) (video) (VOD) Nickelodeon   (USA) (TV) Rating Stats Overall Rating -- / 10 Our Rating 6.4 / 10 Your Friends -- / 10 Male Users 6.4 / 10 Female Users -- / 10 Site Ranking #3,496 / 21,260 Ratings Breakdown Perfect 2 total ratings Site Ranking