South Indian cinema isn't just making noise—it's rewriting all the records. From massive box office numbers to trends that sweep across India, one burning question keeps popping up: which is the true No. 1 South movie? This article breaks down the contenders using real numbers, audience love, and how much these movies changed the game. You’ll get surprising facts, tips for where to watch, and a closer look at why these films are such big deals. Dive in if you’re curious which flick holds the top spot—and why.