Imaikkaa Nodigal (transl. Unblinking Seconds) is a 2018 Indian Tamil-language action thriller film written and directed by R. Ajay Gnanamuthu. It stars Nayanthara with Atharvaa, Raashii Khanna, Anurag Kashyap, both marking their debut in Tamil cinema in prominent roles. While Vijay Sethupathi playing an extended cameo. The music was composed by Hiphop Tamizha, cinematography by R. D. Rajasekhar, editing by Bhuvan Srinivasan, and produced by C. J. Jayakumar. The film is a situational story focalizing on how a serial killer is apprehended by an intelligent CBI officer.

The film marks the Tamil debut of Raashii Khanna and Anurag Kashyap. Imaikkaa Nodigal was released by theatrically on 30 August 2018, and received highly positive reviews from critics and audience, and became a commercial success at the box-office.