The video mostly recounts the premise and several major plot beats of Assassination Classroom, though it compresses and garbles some details.
Claim-by-claim breakdown
Accurate (98% confidence): Students at Class 3-E are tasked with assassinating their alien teacher before graduation. The official synopsis says Class E is assigned to assassinate Koro Sensei and save the world from destruction.
Accurate (96% confidence): Koro-sensei is extremely fast and can dodge bullets. Official and reference summaries describe him as a Mach 20 superpowered creature that cannot be killed by ordinary attacks.
Accurate (88% confidence): The students train assassination skills and learn Koro-sensei's weaknesses over time. Series summaries note that students improve their assassination methods while discovering weaknesses such as his limits and vulnerabilities.
Accurate (80% confidence): A student attacks Koro-sensei with a hidden knife and a bomb hidden under his clothes, but the plan fails and Koro-sensei survives. Episode and character summaries show multiple failed assassination attempts where students use knives, explosives, or tricks and Koro-sensei survives.
Accurate (96% confidence): A student jumps off a cliff, and Koro-sensei saves him with his tentacles. Episode summaries describe Karma jumping off a cliff and Koro-sensei saving him with his tentacles.
Accurate (94% confidence): A female student poisons Koro-sensei, but the poison has no lasting effect and even changes his appearance temporarily. Character and chapter summaries describe several poisons producing temporary body changes, including wings, with no lasting harm.
Accurate (97% confidence): For final exams, the student who places first in a subject gets to destroy one of Koro-sensei's tentacles, and cutting tentacles makes him slower. Episode 15 summaries say the top scorer in any subject gets to shoot off one tentacle, and each cut tentacle reduces Koro-sensei's speed by 10%.
Accurate (82% confidence): Koro-sensei tutors students one on one using clones and later takes the class on a round-the-world trip. A subtitle source says his clones can work with students one on one, and later summaries describe a round-the-world graduation photo trip.