The opening episode of Merlin Secrets and Magic is a 50 minute special that goes behind the scenes to look back at series 1 as well as offering exclusive backstage footage, production details and on-set cast and crew interviews which help recreate the magic and reveal some secrets behind the making of Merlin.

The first episode of Merlin Secrets and Magic focuses on Merlin's early adventures at Camelot explained by Colin Morgan himself. It also goes behind the scenes to offer exclusive backstage footage, production details and on-set cast and crew interviews from the filming of Merlin's episode 2x01 The Curse of Cornelius Sigan.

The second episode of Merlin Secrets and Magic focuses on the action sequences of the jousting tournament and on Prince Arthur character development as explained by Bradley James himself. It also goes behind the scenes to offer exclusive backstage footage, production details and on-set cast and crew interviews from the filming of Merlin's episode 2x02 The Once and Future Queen.

The fourth episode of Merlin Secrets and Magic focuses on the character of Guinevere, from lowly maid to the future queen of Camelot and on her casting process as explained by Angel Coulby herself. It also goes behind the scenes to offer exclusive backstage footage, production details and on-set cast and crew interviews from the filming of Merlin's episode 2x04 Lancelot and Guinevere.

The fourth episode of Merlin Secrets and Magic focuses on the character of Guinevere, from lowly maid to the future queen of Camelot and on her casting process as explained by Angel Coulby herself. It also goes behind the scenes to offer exclusive backstage footage, production details and on-set cast and crew interviews from the filming of Merlin's episode 2x04 Lancelot and Guinevere.

The fifth episode of Merlin Secrets and Magic focuses on the character of Lady Catrina, and what it takes to turn into the troll who is able to soften Camelot king's heart as explained by Sarah Parish herself, who unmasks the secrets behind the incredible prosthetic make-up job. It also goes behind the scenes to offer exclusive backstage footage, production details and on-set cast and crew interviews from the filming of Merlin's episode 2x05 Beauty and the Beast – Part One.

The sixth episode of Merlin Secrets and Magic focuses on Camelot's odd couple, King Uther Pendragon and his troll wife Catrina, and on what Anthony Head has brought to this regal role, as explained by the actor himself together with other cast and crew members. Rupert Young also reflects on his character, Sir Leon. The episode goes behind the scenes to offer exclusive backstage footage, production details and on-set cast and crew interviews from the filming of Merlin's episode 2x06 Beauty and the Beast – Part Two.

The seventh episode of Merlin Secrets and Magic focuses on the character of Gaius as he has to deal with the issue of magic and face yet another villain, in this case a Witchfinder, as explained by Anthony Head himself. It also goes behind the scenes to offer exclusive backstage footage, production details and on-set cast and crew interviews from the filming of Merlin's episode 2x07 The Witchfinder.

The eight episode of Merlin Secrets and Magic focuses on the character the mysterious Morgause, played by Emilia Fox. It also goes behind the scenes to show how the epic fight between King Uther and Prince Arthur was filmed and offer exclusive backstage footage, production details and on-set cast and crew interviews from the filming of Merlin's episode 2x08 The Sins of the Father.

The ninth episode of Merlin Secrets and Magic focuses on the character of the leading role Merlin, the hardest worker in Camelot through an in-depth look at him by Colin Morgan himself. It also goes behind the scenes to show how the elements conspired against the filming of the episode's climactic final scene and offer exclusive backstage footage, production details and on-set cast and crew interviews from the filming of Merlin's episode 2x09 The Lady of the Lake.

The tenth episode of Merlin Secrets and Magic reveals how this humorous episode was made. It also goes behind the scenes to witnesses the fun that the cast have in between takes and to offer exclusive backstage footage, production details and on-set cast and crew interviews from the filming of Merlin's episode 2x10 Sweet Dreams.

The eleventh episode of Merlin Secrets and Magic goes behind the scenes to reveal the especial effects behind another action filled fight and get a hint from the show producers about the real nature of the link between Mordred and Morgana and how meeting Alvarr will shape the magical lady. It also offers exclusive backstage footage, production details and on-set cast and crew interviews from the filming of Merlin's episode 2x11 The Witch's Quickening.

The twelfth episode of Merlin Secrets and Magic goes behind the scenes to show how the sequences with the Great Dragon were filmed and how much the very talented John Hurt adds to its characterization. It also offers exclusive backstage footage, production details and on-set cast and crew interviews from the filming of Merlin's episode 2x12 The Fires Of Idirsholas.

The thirteenth episode of Merlin Secrets and Magic goes behind the scenes to offer exclusive backstage footage, production details and on-set cast and crew interviews from the filming of Merlin's episode 2x13 The Last Dragonlord. It also takes a look at the world of fandom and how the show's success is perceived by both cast and fans.