PBS unveiled its new online video portal offering full-length episodes of nearly all of its primetime programs. The catalog of shows available for on demand streaming is limited with this beta launch, but PBS aims to add thousands of hours of programs by summer, the Los Angeles Times reports. PBS Video will begin offering programs from local public TV stations in May. Here’s a link to our earlier coverage of PBS Video, which began pilot testing last fall. PBS’s news release on the site launch is here.