You can watch select SunTV series on the station's official YouTube channel, such as "Sondha Bandam," "Sun Super Challenge" and "Kitchen Galatta." Other series are available on the production companies' YouTube channels. For example, the popular serial "Bommalattam" is available on San Media's YouTube channel.
SunTV is India's largest TV network. It broadcasts a variety of programming, including drama serials (similar to soap operas), reality competitions and news on 33 channels. As of 2015, SunTV currently broadcasts 21 serials, most of which are offered on YouTube either by SunTV or their production companies. Searching YouTube for the serial's name should produce episode videos.