Tamil cinema continues to deliver top class entertainment every week and this trend continues. As a new week arrives, here is a list of movies and series to watch on OTT platforms this week.
4 Tamil OTT releases to watch this week
1. Hartley Battery
- Mould: Padin Kumar, Guru Laxman, Anith Yashpaul, Sumitra, Jeeva Ravi
- Director: Sadasivam Senthilarajan
- Style: science fiction romance
- Runtime: 6 episodes
- Where to watch: ZEE5
- Streaming Date: 16 December 2025
Heartily Battery is a web series based on an emotionally sheltered scientist Sophia who, after witnessing her parents’ troubled marriage, changes her perception about love. She decides to create a “Love Meter” to measure the exact percentage of love one person has for another. However, what starts as a relationship fostering initiative soon results in heartbreak and breakups.
The series also explores Sid, whose views clash with those of Sophia, and the two opposing philosophies, contrasting science and emotion.
2. Pharma (Tamil-dubbed)
- Mould: Nivin Pauly, Rajit Kapoor, Narayan, Veena Nandakumar, Shruti Ramachandran, Muthumani, Aalekh Kapoor
- Director: PR Arun
- Style: medical thriller drama
- Runtime: tba
- Where to watch: jiohotstar
- Streaming Date: 19 December 2025
Pharma tells the story of KP Vinod, a young medical sales representative who is still learning how to work in a highly competitive industry. Initially, Vinod struggled to convince doctors and hospitals to adopt his company’s latest drug. However, he eventually succeeds in promoting a new drug called KydoXin, and soon becomes a star performer in his organization.
Things take a turn for the worse when Vinod later discovers that the drug is causing serious side effects to the patients, leaving him guilt-stricken. With consumer safety at stake, Vinod decides to stand up against powerful corporate entities, raising the question of whether he can right the mistakes he has made.
3. Premante (Tamil-dubbed)
- Mould: Priyadarshi Pulikonda, Anandi, Suma Kanakala, Vennela Kishore, Hyper Adi, Auto Ram Prasad
- Director: Navneet Shriram
- Style: romantic comedy drama
- Runtime: 2 hours 26 minutes
- Where to watch: Netflix
- Streaming Date: 19 December 2025
Premante narrates the story of Madhusudan and Ramya, who enter into a ideally arranged marriage born out of a charming encounter. However, their lives take a turn when Ramya discovers a shocking secret about her husband, leading to unexpected conflicts and comical situations.
A police officer’s involvement further complicates their lives, while Ramya’s discovery of Madhusudan’s hidden past pushes their marriage to the breaking point. Despite the setbacks, she chooses to give him one last chance, and the film tracks her attempt to correct her mistakes and rebuild trust.
4. An Parvaayil
- Mould: Parvathi Nair, Ganesh Venkatraman, Mahendran, and Nizhalgal Ravi
- Director: Kabir Lal
- Style: investigative thriller
- Runtime: tba
- Where to watch: sunnxt
- Streaming Date: 19 December 2025
Un Paarvaayil focuses on a visually impaired woman who investigates the mysterious deaths of her twin sister and husband and uncovers a larger family conspiracy in the process. As she delves deeper into the mystery, everything she believed about her sister and family is challenged.
Actress Parvati Nair plays the lead role in the series and plays a dual role.
The movies and series listed above are just some of the new Tamil content available to enjoy this week, with many other titles also streaming in other languages.
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