Historian William Short watches and rates depictions of Viking combat in movies and TV shows. He discusses Viking shield formations in "Vikings." He outlines brutal village raid tactics in "The Northman," starring Alexander Skarsgård, Anya Taylor-Joy, and Nicole Kidman. He breaks down how Vikings organized their troops in war in "How to Train Your Dragon," starring Jay Baruchel, Gerard Butler, and Jonah Hill; and "The Last Kingdom." He demonstrates how Vikings wielded their battle axes in "Vikin