
In Trouble Big-Time is the sixteenth chapter of the Assassination Classroom manga, gathered in the series' second volume. Published in October 2012, it belongs to Class 3-E's school-trip storyline and later provided material for the seventh episode of the anime.
This entry survives in the reference chiefly as publication data rather than a narrative outline. Listed as the sixteenth chapter under the title In Trouble Big-Time, it ran in the forty-seventh 2012 issue of its magazine, dated October 22 of that year, and spans nineteen pages. It was later gathered into the second collected volume, which carries the subtitle Time for Grown Ups.
The chapter sits inside the class's school-trip storyline, arriving after Time for a School Trip and before Best Time for the Travel Guide. Its content was carried into the anime as the seventh episode, School Trip Time, 1st Period, framing the story during Class 3-E's excursion beyond the usual campus.
The reference does not supply a scene-level breakdown, so no individual plot developments are recorded. What the source confirms is the chapter's placement in the trip arc and the broad roster of Class 3-E students who appear, led by Korosensei alongside Isogai, Nagisa, Karma, Kayano, and their classmates.

Naruto vs Luffy with the twist nobody asked for: Luffy tickled Hinata on date night, and she kind of liked it. We break down the whole fight and commit to a winner....

There are no women on Namek. That isn't an oversight, it's the biology. Why we handed Piccolo the one thing his own species rules out, and why it had to be trap soul....
Chapter 16, titled In Trouble Big-Time, is part of Class 3-E's school trip storyline, though the surviving reference for this chapter preserves mostly publication data rather than a scene-by-scene plot summary.
Chapter 16 is collected in Volume 2 of Assassination Classroom, subtitled Time for Grown Ups.
Chapter 16 was adapted into Episode 7 of the anime, titled School Trip Time, 1st Period.
Chapter 16, In Trouble Big-Time, was released on October 22, 2012, in issue 47 of that year, running nineteen pages.
Chapter 16 sits between Chapter 15, Time for a School Trip, and Chapter 17, Best Time for the Travel Guide, placing it within the early portion of Class 3-E's school trip storyline.
Looking for more on Chapter 16? The Dragon Ball Wiki on Fandom has a dedicated page with community notes.
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