This document discusses four documentary programs and provides analysis of their conventions and topics. It analyzes the BBC documentary Human Planet for its use of observation, wide camera angles and first-hand experiences to explore different cultures and ways of life. It examines the Channel 4 series My Big Fat Gypsy Wedding for allowing viewers to form their own opinions of Gypsy culture through real-life footage and interviews. It also summarizes the conventions used in One Born Every Minute such as observation and interviews to give an intimate view of childbirth, and Lifers' use of interviews and commentary to examine murder cases and provoke discussion of criminal psychology and ethics.