Moomin (Japanese: 楽しいムーミン一家 Hepburn: Tanoshii Mūmin Ikka) is an anime television series produced by Telecable Benelux B.V., that is based on the Moomin novels and comic strips by the Finnish illustrator and author Tove Jansson and her brother Lars Jansson. The anime series premiered on TV Tokyo on April 12, 1990 and ended on October 3, 1991 with 78 episodes being made. Because of its huge success in Japan, the sequel series, entitled Delightful Moomin Family: Adventure Diary (楽しいムーミン一家 冒険日記 Tanoshii Mūmin Ikka: Bōken Nikki) was made and first aired from October 10, 1991 to March 26, 1992, lasting 26 episodes. The sequel series has only been aired in certain countries outside Japan, where it is featured as the second season of Moomin, combining two series resulting in 104 episodes in total. Unlike the original series, the sequel series doesn't have any episodes based on Tove Jansson's books. However, part of its episodes are based on Lars Jansson's comic strips.
In certain countries like Finland and Sweden, several episodes from the combined list of 104 episodes have been left un-aired. In Finland, episodes "The Pirate", "The Imp" and "The Birthday Surprise" were banned due to being too terrifying and "un-Moomin-like", according to the director of the Finnish dub, Jertta Ratia-Kähönen, while in Sweden the episode "The Big Explosion" hasn't been aired. In Norway, "The Witch", "The Spell" and "The Imp" were aired once and then were taken off, because they were thought to be too scary for the youngest in the audience. Similarly, after "Tiny Guests" first aired there, parents called in to NRK, complaining that the Groke was too scary and after the series was taken off for some time, she was re-dubbed in later episodes with a lighter voice. "The Big Explosion" wasn't aired there, but it was later released on DVD, due to changed minds on the scariness factor. All 78 episodes from the first series have been shown on Children's BBC in the United Kingdom, but the sequel series has been completely left out.