Merlin

Season 1

• Disc 1: "The Dragon's Call," "Valiant" and "The Mark of Nimueh."
• Disc 2: "The Poisoned Chalice," "Lancelot" and "A Remedy to Cure All Ills."
• Disc 3: "The Gates of Avalon," "The Beginning of the End" and "Excalibur."
• Disc 4: "The Moment of Truth," "The Labyrinth of Gedref," "To Kill the King" and "Le Morte D'Arthur."

Season 2

• Disc 1: "The Curse of Comelius Sigan," "The Once and Future Queen" and "The Nightmare Begins."
• Disc 2: "Lancelot and Guinevere," "Beauty and the Beast, Part One" and "Beauty and the Beast, Part Two."
• Disc 3: "The Witchfinder," "The Sins of the Father" and "The Lady of the Lake."
• Disc 4: "Sweet Dreams," "The Witch's Quickening," "The Fires of Idirsholas" and "The Last Dragonlord."

Season 3

• Disc 1: "The Tears of Uther Pendragon (Part 1)," "The Tears of Uther Pendragon (Part 2)," and "Goblin's Gold"
• Disc 2: "Gwaine," "The Crystal Cave," and "The Changeling"
• Disc 3: "The Castle of Fryrien," "The Eye of the Phoenix," and "Love in the Time of Dragons"
• Disc 4: "Queen of Hearts," "The Sorcerer's Shadow," "The Coming of Arthur (Part 1)," and "The Coming of Arthur (Part 2)"

Season 4

• Disc 1: "The Darkest Hour: Part 1," "The Darkest Hour: Part 2," "The Wicked Day" and "Aithusa."
• Disc 2: "His Father's Son," "A Servant of Two Masters," "The Secret Sharer" and "Lamia."
• Disc 3: "Lancelot Du Lac," "A Herald of the New Age," "The Hunter's Heart" and "The Sword in the Stone: Part 1."
• Disc 4: "The Sword In The Stone: Part 2" and Bonus Material.

Season 5

• Disc 1: "Arthur's Bane: Part One," "Arthur's Bane: Part Two," "The Death Song of Uther Pendragon" and "Another's Sorrow."
• Disc 2: "The Disir," "The Dark Tower," "A Lesson in Vengeance" and "The Hollow Queen."
• Disc 3: "With All My Heart," "The Kindness of Strangers" and "The Drawing of the Dark."
• Disc 4: "The Diamond of the Day: Part One" and "The Diamond of the Day: Part Two."