The CBI film series in order

The CBI film series is a series of four Malayalam films directed by K. Madhu and written by S. N. Swami featuring Mammootty as Sethurama Iyer, a Central Bureau of Investigation (CBI) officer. The series started off in 1988 with the block buster Oru CBI Diary Kurippu. The films depicts a team of CBI officers led by Sethurama Iyer investigating into a murder case. 5 films, 12h 17m in all, in release order.

1. 1
   

   Oru CBI Diary Kurippu

   1988 · 132 min

   Prabhakar Varma is appointed by the police to investigate the suicide of Omana, the daughter-in-law of a businessman. Varma decides to investigate further when all the clues reveal it was a murder.

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2. 2
   

   Jagratha

   1989 · 150 min

   A renowned actress, Aswathi, is murdered. When a CBI officer, Sethurama Iyer, investigates the case, he unravels a dark secret about Aswathi which brings forth several complexities.

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3. 3
   

   Sethurama Iyer CBI

   2004 · 145 min

   Alex, who is awaiting execution, confesses to having committed six out of the seven murders he is acquitted for. Officer Sethurama Iyer decides to trace the original murderer of the seventh one.

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4. 4
   

   Nerariyan CBI

   2005 · 147 min

   A string of mysterious murders happen in an aristocratic mansion. The owners of the mansion seek CBI officer Sethurama Iyer's help to find the person responsible for the deaths.

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5. 5
   

   CBI 5: The Brain

   2022 · 163 min

   Series of bucket-killing murders happening in the city. Failure to resolve by police, a team of CBI Officers under CBI officer Sethurama Iyer take up the investigation to resolve the never experienced mystery.

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