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"Hawaii Five-0" to let viewers pick episode's ending

From left, actors Daniel Dae Kim, Scott Caan, and Alex O'
CBS

It's a choose-your-own-adventure, "Hawaii Five-0" style.

CBS announced Thursday that viewers will be able to choose the ending of an upcoming episode of the drama, as the show airs live.

The Jan. 14 episode is about the investigation into the death of an O'ahu State University professor. The suspects are his boss, teaching assistant and a student who was caught cheating.

Viewers will be able to vote on CBS.com and Twitter (using the hashtags #theBoss, #theTA and #theStudent) during the broadcast. The votes will be tallied immediately and the most popular ending will be the one that airs. Separate voting will be available for Eastern/Central and Pacific time zones and all three endings will be available on CBS.com.

CBS called the move the first of its kind in television history.

"I've always felt the most fun aspect of watching a mystery is trying to figure out 'whodunit,'" executive producer Peter Lenkov said. "Now the 'Hawaii Five-0' viewers will actually get the chance to tell us who they think committed the crime and we will listen. I love that our dedicated and attentive fans will actually play a part in resolving our story."

"Hawaii Five-0" airs Mondays at 10 p.m. ET on CBS.

Watch a sneak peek of the episode below: