1 Season
12 Episode
In Search of the Lost Future - Season 0 Episode 1 In Search of the Lost Summer Vacation
Unaired thirteenth episode delivered as a bonus Blu-ray disc to customers who pre-order all six Blu-ray volumes.
- Year: 2014
- Country: Japan
- Genre: Animation, Comedy, Drama, Sci-Fi & Fantasy
- Studio: AT-X, Tokyo MX, TV Aichi, Teletama
- Keyword: time travel, school, anime
- Director:
- Cast: Kappei Yamaguchi, Tomoe Tamiyasu, Takuma Terashima, Yuko Goto, Kei Mizusawa, Akio Otsuka