A group of middle school kids realize that their new substitute teacher may have something to do with their favorite teachers murder so during recess they investigate to find the truth and end up paying with their lives.

[link=/name/nm1821446]Hannah Waddingham[/link], [link=/name/nm1968873]Ed Speleers[/link], and more familiar faces from TV to the big screen.

<a class="ipc-md-link" href="/name/nm1821446?ref_=tt_eds_right-3_sw_g_ca_r_lk">Hannah Waddingham</a>, <a class="ipc-md-link" href="/name/nm1968873?ref_=tt_eds_right-3_sw_g_ca_r_lk">Ed Speleers</a>, and more familiar faces from TV to the big screen.

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[i][link=/title/tt0439572/]The Flash[/link][/i], [i][link=/title/tt5090568/]Rise of the Beasts[/link][/i], and more of the continuing stories IMDb users can't wait to see this year.

<em><a class="ipc-md-link" href="/title/tt0439572/?ref_=tt_eds_right-7_sw_seekpeek23_r_lk">The Flash</a></em>, <em><a class="ipc-md-link" href="/title/tt5090568/?ref_=tt_eds_right-7_sw_seekpeek23_r_lk">Rise of the Beasts</a></em>, and more of the continuing stories IMDb users can&#39;t wait to see this year.

What Happened In Room Number 9?

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