12 エピソード
1『Brain-Blasting Genius』

1『Brain-Blasting Genius』
It was just a rock. How was Junpei supposed to know it could talk? Now his classmates and teacher find themselves in another world facing a sphinx? What is this, an anime?
25分
2019年1月9日
2『The Thing Most Precious to Me』

2『The Thing Most Precious to Me』
Tsuyoshi and Yurio have been friends ever since Yurio saved his life. But now? Tsuyoshi feels there’s something his friend is hiding and asks Junpei for help.
25分
2019年1月16日
3『Best Pals』

3『Best Pals』
They failed. As a result, one of their own no longer exists. To prevent this from happening ever again, they must now sharpen their minds.
25分
2019年1月23日
4『Pride』

4『Pride』
Ryusei terrorizes the gardening club with demands for a specific plant. Junpei decides to help since, long ago, he and Ryusei used to be friends. Why are they so distant now?
25分
2019年1月30日
5『A Masochist』

5『A Masochist』
Ryusei’s friends will have to challenge Sphinx Dictis again if they want him to go back to normal — and they REALLY want him to go back to normal.
25分
2019年2月6日
6『Tutoring for Tutoring』

6『Tutoring for Tutoring』
What is Tsuyoshi’s master plan to help Junpei and Ryusei get along? Basketball!
25分
2019年2月13日
7『A Hole in His Heart』

7『A Hole in His Heart』
Soshi has grave concerns regarding the Sphinxes’ endgame. If that wasn’t enough, he’s also hiding an important secret from the others.
25分
2019年2月20日
8『The Black Sphinx』

8『The Black Sphinx』
Soshi’s students start digging into his past. Who is Shiro and what happened ten years ago?
25分
2019年2月27日
9『Forfeit』

9『Forfeit』
The Black Sphinx is a formidable foe. With the puzzles growing harder, the situation becomes grimmer. How will the group cope with this development?
25分
2019年3月6日
10『An Unbreakable Rule』

10『An Unbreakable Rule』
Out of all his friends, Shiroyama is the only one who seems not to have lost anything to the Black Sphinx. But soon the terrible truth comes bubbling to the surface…
24分
2019年3月13日
11『Spudio』

11『Spudio』
There was one famous riddle the Sphinx was known for, but there’s a new twist to the old classic. Here’s another riddle: Who is Spudio?
25分
2019年3月20日
12『Tutoring a Decade Later』

12『Tutoring a Decade Later』
Years later, Junpei and his friends investigate the school after hearing rumors of a talking rock…
25分
2019年3月27日













