An online PBS television guide can be found on the website PBS.org. Choose the appropriate local station within the pop-up window, and click on the link for TV Schedule found at the top of the page.
The default schedule displayed is specific to broadcast television. In order to modify the search specific to a current provider, select the link for Change Provider in the upper left hand corner. Additional search options include date, time, episode, program or movie. There are also options to download a portable document format (PDF) of the schedule, which includes programming descriptions, and/or print the TV schedule.