He's Back! The Brother's Five Directives + Let's Go to the Zoo! + The Disastrous Work of a New Manga Author + The Disastrous Lives of the Kaidou Brothers + A Girl's Makeover
- Episode aired May 9, 2018
Saiki K's brother Kusuke threatens to reveal his powers to the world; Kaido's friends meet his younger brotherSaiki K's brother Kusuke threatens to reveal his powers to the world; Kaido's friends meet his younger brotherSaiki K's brother Kusuke threatens to reveal his powers to the world; Kaido's friends meet his younger brother