

Can you watch _A Certain Magical Index_ season 3 without watching the other
seasons first? Do you have to watch them in order? Are all the _Index_ seasons
connected or is season 3 a new story?


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a-certain-magical-index
Are the "A Certain Magical Index" seasons connected?


The seasons of the anime adapt the light novel series which tells a single,
continuous story following the same set of characters across many volumes. As
such it's not recommended that you start with season 3 of the anime, since it
assumes you already know who the main characters are and what major events
already transpired in the previous story arcs.

Starting with season 1 is generally recommended for any sci-fi/fantasy series
with a long, complicated narrative like Index. Missing even one episode can
often mean missing crucial information that helps piece together character
motivations and plot developments.


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2018-11-26T21:13:31.433
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The following Index anime series follow each other sequentially:

  1. _A Certain Magical Index_ (2008): adapts LN volumes 1-6
  2. _A Certain Magical Index II_ (2010): adapts LN volumes 7-13
  3. _A Certain Magical Index III_ (2018): adapts LN volumes 14-22

Yes, the seasons are connected, and you should definitely watch them in order.
Even some people who watched the previous two series felt a bit lost with the
new series because it's been so long that they'd forgotten some of the
details. There's a lot of continuity to keep track of here.

If you're interested in the Railgun series as well (same universe), see also:
[How are “A Certain Magical Index” and “A Certain Scientific Railgun”
connected?](https://anime.stackexchange.com/questions/2675/how-are-a-certain-
magical-index-and-a-certain-scientific-railgun-connected)


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