f Scientific Investigation and Research" (O.S.I.R.).<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span>[</span>1<span>]</span></a></sup></p>
<p>Each episode in the first season, with the exception of two episodes, feature two unlinked cases in each episode. Beginning with the second season, each episode focused on one case, and the series began to feature story arcs alongside the standalone episodes.</p>
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<h2>Contents</h2>
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