They recommend it as part of sequence of seven episodes including "Call to Arms," "A Time to Stand," "Rocks and Shoals," "Sons and Daughters," "Behind the Lines," "Favor the Bold" and "Sacrifice of Angels"; this includes from the season finale of Season 5 and the first six episodes of Season 6 of the show.
They recommend watching it as part of a series of seven episodes, which includes "Call to Arms," "A Time to Stand," "Rocks and Shoals," "Sons and Daughters," "Behind the Lines," "Favor the Bold" and "Sacrifice of Angels." This sequence covers the final episode of Season 5 and the first six episodes of Season 6.