Call the Midwife Casebook was a documentary that was aired in January 2017. It showed the social and medical changes that Call the Midwife is based around. It features Steven McGann, who portrays Patrick, as he explores the world of 1950-60s midwifery and social/medical change. It also touches upon the society people lived in and what communities were like during that time. It was aired before the start of Series 6 and contains previews of the series.