The CBI film series

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.

Movies in release order

1. Oru CBI Diary Kurippu 1988 · ★ 6.3
2. Jagratha 1989 · ★ 6.4
3. Sethurama Iyer CBI 2004 · ★ 7.5
4. Nerariyan CBI 2005 · ★ 5.7
5. CBI 5: The Brain 2022 · ★ 4.4