If your weekend plans include staying in, snacks within reach and something good queued up, OTT platforms have you covered. This week’s lineup brings a mix of bold ideas, emotional storytelling and edge-of-the-seat thrillers, from love measure through science to crimes that unravel buried truths. Whether you’re bingeing solo or watching with family, these fresh releases promise to keep you hooked well past the opening credits.
1) Heartiley Battery
Heartiley Battery is a six-episode series starring Padine Kumar, Guru Lakshman, Anith Yashpaul, Sumithra and Jeeva Ravi. The series explores love through the lens of science. Sophia, an emotional guarded scientist shaped by her parent’s broken marriage, invents a ‘love meter’ to quantify emotions. What begins as a hopeful experiment soon leads to unexpected heartbreaks and moral dilemmas. Through Sophia, and Sid’s opposing views, the series questions whether love can ever truly be measured.
Where to watch: ZEE5
Streaming from: 16th December 2025
2) Pharma
Starring Nivin Pauly, Pharma dives into the dark underbelly of the pharmaceutical industry. The story follows KP Vinod, a medical sales representatives whose career takes off after promoting a new drug, only for him to later uncover it’s dangerous side effects. As guilt sets in, Vinod is forced to confront powerful corporate forces, turning the narrative into a tense battle between conscience and control.
Where to watch: JioHotstar
Streaming from: 19th December 2025
3) Premante
Featuring Priyadarshi Pulikonda and Anandhi, Premante begins as a sweet arranged-marriage story before veering into chaos. A shocking revelation about the husband’s past triggers misunderstandings, police involvement and emotional turmoil. Blending humour with drama, the film explores trust, forgiveness, and whether love deserves a second chance.
Where to watch: Netflix
Streaming from: 19th December 2025
4) Un Paarvayil
Un Paarvayil stars Parvati Nair in a compelling dual roles as a visually impaired woman determined to uncover the truth behind the deaths of her twin sister and husband. As she investigates, layers of family secrets and betrayal begin to surface, turning the case into a chilling personal journey.
Where to watch: SunNXT
Streaming from: 19th December 2025
5) Kaantha
Set against a moody seaside backdrop, Kaantha weaves together destinies, hidden truths and a crime that changes everything. The film leans into emotion as much as suspense, offering a reflective thriller driven by atmosphere and performance.
Where to watch: Netflix
Streaming from: 12th December 2025
6) Single Papa
Single Papa is a warm and comforting series that follows a single father navigating parenthood, work pressures and emotional healing while raising his child alone. Gentle relatable and reassuring, it’s a feel-good watch for all ages.
Where to watch: Netflix
Streaming from: 12th December 2025
7) Theeyavar Kulai Nadunga
Dark, intense, and layered, Theeyavar Kulai Nadunga focuses on a high-pressure police investigation filled with twists and emotional depth. Strong performances and a tense atmosphere make this a griping watch for crime-thriller fans.
Where to watch: SunNXT
Streaming from: 12th December 2025
From experimental storytelling and moral dilemmas to comforting family moments and gripping investigations, this week’s Tamil OTT releases strike a satisfying balance. Whether you’re looking to feel, think, or escape into a good story, there’s something here for every kind of viewer, making your weekend watchlist effortlessly sorted.
