TV Guide PBS America Tuesday

As Dan Snow's docudrama continues, King Harold has to take on two invasion forces. First, his brother Tostig attacks the south coast. He is repelled, but there is more to come. Later in the year, a vast Viking invasion force led by King Harald Hardrada of Norway lands in the north of England. Harold rushes to Stamford Bridge to fight for his kingdom and for his life

Examining the dangerous operation to evacuate off Crete's south coast that cost the lives of almost 1,000 British seamen and Allied soldiers. Part two of three

Maiya May journeys across the United States to explore climate tipping points. Discovering how critical climate systems are for the planet’s stability, and learning the science behind these changes

Maiya May visits the Isle de Jean Charles, Louisiana, one of the first communities in the United States to undergo a federally funded relocation due to climate change. She also learns about hurricanes from the Hurricane Hunters