Dizi Adı: Merlin
Bölüm Adı: His Father's Son
Sezon/Bölüm: 4. Sezon 5. Bölüm
Yayın Tarihi: 29 Eki. 2011

Arthur faces his first true test as King when he incurs the wrath of the formidable Queen Annis. With the lives of thousands hanging in the balance, Arthur must find the strength to be his own man and become the leader Camelot so desperately needs.