Game of Thrones Season 6 Episode 09 Battle of the Bastards
Despite Jon’s attempt to save Rickon, he sees his brother be killed by Ramsay and inadvertently falls into Ramsay’s trap. Ramsay then orders the Bolton cavalry to ride out to Jon, and Davos is forced to order the Stark cavalry out of position to shield him.
To be continued on the next post Game of Thrones: Battle of the Bastards Part 1.
Source text: Wikipedia.