The students fight to see their teacher one last time. A figure from Koro Sensei's past arrives with a serious grudge against the super-creature.
| Title | Happy Birthday Time |
|---|---|
| Genres | Animation Comedy Action & Adventure Sci-Fi & Fantasy |
| Release Date | 2016-06-10 |
| Episode Runtime | 00 Hours 24 Minutes |
| Season Number | 2 |
| Episode Number | 22 |
| Production Companies | Lerche, BS Fuji, Kansai Television, Fuji Television Network |
