: Interestingly, characters Moritaka Mashiro and Akito Takagi from the manga series Bakuman make a brief cameo appearance walking near Accelerator in this episode. Themes and Revelations

: Focuses on the Daihaseisai (Sports Festival) , where Touma and Motoharu chase Oriana Thomson to prevent the use of the "Stab Sword" artifact.

: The protagonist who is still adjusting to life after losing his memories.

Following the loss of his memories, Touma Kamijou encounters Mikoto Misaka for the first time. He subsequently meets a young girl who looks identical to Mikoto, identified as . Throughout the episode, Touma spends time with this "Sister," experiencing a series of comedic and slice-of-life moments.

: This is the first time the audience learns about the "Tree Diagram" calculations and the horrific scale of the experiment.

: Genetic copies of Mikoto created for the Level 6 experiment.

: Index provides thematic commentary by comparing the scientific pursuit of "SYSTEM" (Level 6) to the magical concept of the Tree of Sephiroth from Kabbalah. Episode 10 in Other Seasons