A notable event in 2019 was the massive success of dubbed films. The Kannada film (dubbed in Tamil) became a phenomenon in Tamil Nadu. The dialogue "Aaagaya thimiram..." became a catchphrase, and the film’s success proved that audiences were willing to embrace films from other languages if the cinematic experience was compelling. This broke the "Tamil-only" monopoly in the state's theaters.
The most significant trend of 2019 was the proven theory that "Content is King." While star vehicles had their share of the spotlight, the year belonged to films that prioritized writing and execution over glamour. 2019 tamil movies