CBS has acquired Clicker, a TV Guide for internet programming, according to a release just issued by the companies. Clicker’s CEO Jim Lanzone has been named President of CBS Interactive. Terms of the deal were not disclosed; Clicker raised a total of $19 million in funding. According to multiple sources, the deal was in the $50 million to $100 million range.

Clicker is a comprehensive search engine for TV content on the web. The startup made its debut at TechCrunch50 in 2009, and currently indexes more than one million full length TV episodes on the web.

The startup also released a more social version of Clicker that allows people to discover, share, rate, discuss, and check-in to shows on Clicker and third party partner sites, and rolled out Clicker Mobile, which allows users to access Clicker’s service through free Android and iPhone apps. Most recently, Clicker launched a deep Facebook integration to offer personalized TV recommendations.

Besides a technology play, the acquisition was also a talent buy. Before founding Clicker, Jim Lanzone was the CEO of Ask.com, which was acquired by IAC in 2005. Considering Lanzone’s experience in both web and content technologies, he seems like the perfect fit for CBS’s interactive arm. As President, Lanzone will succeed former CNET CEO Neil Ashe, who announced that he was leaving CBS in December 2010.

Clicker will become a property of CBS Interactive, whose other sites include CNET, TV.com, CBS.com, CBSSports.com, CBSNews.com and Gamespot.