Catalyst: Vaccinations aren’t just for humans

There are diseases that can wipe out entire colonies of bees. Researchers from around the world are racing to make vaccines that will protect them.

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'Looking for Fred Astaire' explores a complicated Hollywood legend

"Looking for Fred Astaire" explores the life of the dancing legend and Hollywood star, whose work with Hollywood's biggest starlets sometimes left him frustrated and depressed.

'Extreme Railways' travels the world in search of incredible journeys

"Extreme Railways" host Chris Tarrant embarks on a five-part series of extreme railway journeys across the world's toughest terrains, coming to Arizona PBS every Sunday at 6 p.m.

'Victoria' Season 3: A fearless monarch faces down crisis

Victoria Season 3 on Masterpiece begins Sunday Jan. 13 at 8 p.m.

It is 1848, and revolution is breaking out across Europe. In Britain, one woman stands between order and chaos. Sundays at 8 p.m., beginning Jan. 13.