At about the 34-minute mark, there is a person in a hammock. Hammocks were unknown in Europe until the Spanish reached the Carribean and adopted them for transporting people while sailing.
Brother Asser is introduced into the series, who becomes a prominent member of Alfred's court
The historical figure of Asser wrote a biography of Alfred, and was in fact from Wales but in the series there is no mention of his Welsh heritage, nor does he have a Welsh accent. Instead, he has an English accent like most of the other non-Viking characters.