Anime[]
Takebayashi's eyes during his final speech, (Ansatsu Kyoshitsu Kagaijugyou-hen, E4 "Sovereign Time Pt.II").
Takebayashi in Korosensei's visual kei makeup, (Ansatsu Kyoshitsu Kagaijugyou-hen, E4 "Sovereign Time Pt.II").
"Assassination Classroom: Grand Siege on Koro-Sensei" card featuring Takebayashi in military gear holding a bomb.
"Assassination Classroom: Grand Siege on Koro-Sensei" card featuring Takebayashi brandishing a knife.
"Assassination Classroom: Grand Siege on Koro-Sensei" card featuring Takebayashi and Ritsu roleplaying as a maid.
"Assassination Classroom: Grand Siege on Koro-Sensei" 5-star card featuring adult Takebayashi, Okada, and Ritsu.
Manga[]
Fantasy Takebayashi (Vol.9, Chapter 79, "Sovereign Time, 2nd Period").
Principal Asano pressuring Takebayashi (Vol. 9, Chapter 27, "Sovereign Time, 2nd Period").
Takebayashi speaks for the first time (Vol 3, Chapter 22, "Anatomy Time").
Takebayashi and Okada unite (Vol 17, Chapter 146, "Killer's Time").