Vinland Saga - Season 1 Episode 9
The Battle of London Bridge

In October 1013, King Sweyn leads a fleet of Danish and Viking ships in an attempt to take London Bridge of England. Askeladds army, hired by the army of Denmark, was among them. However, after the betrayal of Thorkell the Tall, a Viking known for his overpowering strength, London Bridge has become impregnable. Askeladd tells Thorfinn hell reward him with a duel if hes able to kill Thorkell.