I hate to harsh your mellow, Todd, but The Pretender is an MTM series, so Fox/Disney-owned. The Mentalist is with Warner, not Paramount. Warner Archive put out a blu-ray of the first season, but I'm assuming it didn't sell particularly well, as they never released any further seasons. Babylon 5...
All of the post-production was done on Standard Definition video. It would have to be up-rezzed for Blu-ray. Which doesn't mean it can't be decent (the BBC has done some good up-rezzed BDs), but there really isn't that much point. I'd rather that Warner -- or whomever they might license it to...