Ep. 5: A Class and E Class rivalry intensifies during the school sports festival.
Aired on February 5, 2016

The competitive tension between the elite A Class and the struggling E Class escalates significantly during the school sports festival. This event marks a critical turning point for Isogai, whose personal livelihood depends on the outcome of the competitions. The narrative focuses on the heightened stakes and the direct confrontation between the two groups as they vie for victory. The episode highlights the pressure faced by the characters, particularly Isogai, whose future is tied to the results of these athletic contests. The dynamic between the superior A Class and the marginalized E Class drives the central conflict of this installment.
Episodes
- Ep. 1 · Koro Sensei and Class 3-E Enjoy Matchmaking Fun at the Summer Festival
- Ep. 2 · Kaede devises a strategy while Class 3-E plays Cops and Robbers and Koro Sensei faces accusations.
- Ep. 3 · Koro Sensei confronts Itona Horibe and Shiro while explaining his educational beliefs
- Ep. 4 · Itona impresses Class 3-E with his assassination device while students use code names
- Ep. 5 · A Class and E Class rivalry intensifies during the school sports festival.
- Ep. 6 · The E Class students engage in off-campus studies following an accident before midterms.
- Ep. 7 · A well-intentioned act causes a rift with Professor Bitch, leaving E Class to face a formidable assassin alone.
- Ep. 8 · Koro Sensei and Karasuma confront the Reaper while Irina acts as an unpredictable variable
- Ep. 9 · Students explore career paths while Nagisa faces talent issues and his mother has plans