is a science fiction manga series written and illustrated by Yukinobu Hoshino and originally serialized in Futabasha's Monthly Super Action starting from June 1984. It was then collected into three bound volumes by Futabasha, released between August 18, 1985 and October 24, 1986. The series was licensed for an English-language release by Viz Media and published in North America starting in 1990. 2001 Nights is largely inspired by classic hard science fiction, with many visual homages to previous science fiction novels and films. Media Manga 2001 Nights consists of several loosely connected short stories, all taking place in the same timeline, with the whole series spanning several hundred years. Many of the stories are related to each other (even across books), each building upon the achievements of the previous ones. The stories are often (but not always) scientifically plausible, recalling much of the early science fiction of the 1950s and 1960s. Anime 2001 Nights 2001 Nights was adapted into a one-episode original video animation (OVA) under the name Space Fantasia 2001 Nights by TMS Entertainment and released on VHS on June 21, 1987. It has not been licensed in English, though versions with English subtitles can be found. TO Two stories from 2001 Nights, Night 12 ("Symbiotic Planet") and Night 14 ("Elliptical Orbit") respectively, were adapted into TO, a two-episode computer animation (CGI) original video animation (OVA). Fumihiko Sori directed. It was released on DVD and Blu-ray by Avex in December 2009, in Japan. TO was released on rental DVDs on October 2, 2009 and in December 2009 as regular DVD and Blu-ray release. It was scheduled to air on TBS and BS-TBS (Japanese satellite TV broadcaster) in November and December 2009, prior to the DVD and Blu-ray release. A 10-minute trailer was released on YouTube by Avex on November 11, 2009. Manga Entertainment a UK distributor acquired licensing in late 2010. Funimation licensed To for North American release in 2011. Stories The stories that make up the complete manga are placed in chronological order, with two exceptions. By the technology used, Night 14 ("Elliptical Orbit") seems to belong somewhere between Nights 6 and 7 (after the invention of suspended animation and interstellar travel, but before the Lucifer discovery). The second, Night 6 ("Discovery") is referenced in Night 4 ("Posterity") which occurs 20 years after the launch of the probe Discovery. Volume list Reception Reviewing the manga Mark Aragona praised