It is August 12th. After the remote control to his boarding house's only air conditioning unit is inadvertently destroyed by spilled cola, "I" devises a plan to return to yesterday in a time machine to recover the remote before it breaks. However, his prankster friend Ozu cannot resist playing with past events, even if it means bringing the universe to the brink of destruction. Now "I" finds himself racing through time to avoid disaster.
You can now watch The Tatami Time Machine Blues online on the following streaming providers in the United States.
| Writing | Tomihiko Morimi | Novel |
| Directing | Shingo Natsume | Series Director |
| Sound | Takahiro Yamada | Theme Song Performance |
| Sound | Kensuke Kita | Theme Song Performance |
| Writing | Makoto Ueda | Series Composition |
| Sound | Kiyoshi Ijichi | Theme Song Performance |
| Sound | Masafumi Gotoh | Theme Song Performance |
| Production | Hisashi Ishiwata | Executive Producer |
| Production | Eunyoung Choi | Executive Producer |
| Production | Hana Sugawara | Producer |
| Visual Effects | Nobutake Ito | Character Designer |
| Production | Daiji Horiuchi | Executive Producer |
| Production | Shinichiro Mutaguchi | Executive Producer |
| Production | Yukiko Takase | Executive Producer |
| Visual Effects | mokochan | Opening/Ending Animation |
| Visual Effects | Kenji Zemba | Opening/Ending Animation |
| Visual Effects | Gan Haotian | Opening/Ending Animation |
| Visual Effects | Shun Sakata | Opening/Ending Animation |
| Production | Eunyoung Choi | Producer |
| Production | Katsuya Watanabe | Executive Producer |
| Sound | Chloe Hyun | Theme Song Performance |
| Production | Noriko Ozaki | Producer |
| Visual Effects | Asami Murakoshi | Opening/Ending Animation |
| Production | Yasushi Kuwata | Executive Producer |
| Production | Keiji Ota | Executive Producer |
| Production | Fumie Takeuchi | Producer |
| Camera | Hikari Itoh | Director of Photography |
| Editing | Akari Saitoh | Editor |
| Art | Fuminao Akai | Art Direction |
| Visual Effects | Ayaka Nakamura | Color Designer |
| Sound | Eriko Kimura | Sound Director |
| Sound | Katsuhiro Nakano | Sound Effects |
| Visual Effects | Shoko Nishigaki | Character Designer |
| Camera | Yoshihiro Sekiya | Director of Photography |
| Directing | Fuga Yamashiro | Assistant Director |
| Visual Effects | Yusuke Nakamura | Character Designer |
| Editing | Masatoshi Nakano | Online Editor |
| Art | Ryoko Takashimizu | Assistant Director of Photography |
| Sound | Shizuo Kurahashi | Foley Artist |
| Editing | Ikuya Hirano | Online Editor |
| Sound | Hiroaki Ota | Sound Mixer |
| Writing | Masaaki Yuasa | Original Concept |
| Sound | Michiru Oshima | Original Music Composer |
| Art | Mika Nakajima | Art Designer |
