Sneak In! The Principal's Office

'''Sneak In! The Principal's Office' (潜入！こうちょうしつ, Sennyū! Kō chōshitsu) is the second episode of the second season of Isekai Quartet'' and fourteenth episode of the full series overall. It aired on January 21, 2020.

Trivia

 * The Giant Toads that appeared in the episode are stated to be monsters from KonoSuba.
 * The bottle of the "red stuff" as it labelled as Rot, which could be a reference to Operation Rot-Gelb in Youjo Senki.