Search terms claiming to offer 1260+ episodes are usually deceptive for a few reasons:
High-end VFX and elaborate sets that brought the Dvapara Yuga to life.
This is the official home for all Star Vijay content. You can find every episode of Mahabharatham in high definition with clear Tamil audio.
Originally produced by Siddharth Kumar Tewary (Swastik Productions), the 2013 Mahabharat became a cultural phenomenon when dubbed into Tamil for Star Vijay. It is praised for:
The high-quality Tamil translation made the complex philosophical dialogues of the Bhagavad Gita accessible to local audiences. How to Watch All Episodes (Tamil)
If you are seeing links for a "1268 episode" version, these are often misleading or broken into very short, unofficial clips. Here is everything you need to know about watching and legally accessing this epic series in Tamil. Why Vijay TV's Mahabharatham is a Classic