In this episode scientists try to unlock Tutankhamun's DNA as samples already taken are tainted from the mummification process. Dr Zahi Hawass continues tracking down artifacts that will help link Tutankhamun to a one of three potential fathers at the same time.
After identifying much of Tutankhamuns ancestry, Dr Zahi Hawass tries to determine if he was married to one of the two female mummies found in his tomb and if any of the two small children found with him were his own.
The final episode focuses on King Tut himself, his role as King and how he became one of the most revered rulers in Egypt.