Most tv listing sites have partnerships with the station in which they are getting their listings from. Theres a thing about licenses agreements and use of their apis. Dont think that you can just get a $30.00 template a free CMS and Open source apps. And turn it into something companies spend millions on to develop. If you search the forms you will find the name of an RSS aggregator that can place the feeds in to content sections.
If you search the web you will find widgets for tv listings.
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