The teaser of CBI 5 The Brain dropped on Wednesday, and it perfectly sets up the return of Mammootty’s super sleuth Sethurama Iyer.

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The teaser hints that Mammootty’s Sethurama Iyer will investigate the deaths of Indira Gandhi, Rajiv Gandhi and Sanjay Gandhi in CBI 5 The Brain

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The teaser also features Sethurama Iyer’s trademark walk and the franchise’s theme music.

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Directed by K Madhu, the movie also stars Renji Panicker, Sai Kumar, Jagathy Sreekumar, Soubin Shahir, Mukesh, Ramesh Pisharadi, Anoop Menon and Dileesh Pothen.

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CBI 5 The Brain is the fifth film in the franchise that began in 1988 with Oru CBI Diary Kurippu.

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The 1989 sequel was titled Jagratha.

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The third installment, Sethurama Iyer CBI, came after over a decade in 2004. The fourth part titled Nerariyan CBI hit theatres in 2005.

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