: At the tomb, Merlin reveals his identity as a Dragonlord to Borden and uses his magic to retrieve the egg just as the tomb collapses. He later convinces Arthur and the knights that the egg was destroyed in the collapse. Key Episode Highlights
: The tomb supposedly contains the last dragon egg, a prize that attracts both the untrustworthy Borden and Merlin, who feels a duty as a Dragonlord to protect it. Watch www xrysoi se Merlin 2008 S04E04
The episode follows the arrival of , a mysterious former pupil of Gaius, who claims to have found the key to the Tomb of Ashkanar . : At the tomb, Merlin reveals his identity
: Following the heavy events of the previous episode (Arthur's coronation and Uther's death), this episode features several comedic moments, most notably Merlin magically causing Arthur's trousers to fall down to steal a key. Cast and Production Merlin series 4 episode 4 review: Aithusa | Den of Geek The episode follows the arrival of , a
: Kilgharrah declares that the birth of a rare white dragon is a good omen for the future of Albion , symbolising the peace Merlin and Arthur are destined to build.
: In the final scene, Merlin takes the egg to the Great Dragon, Kilgharrah. By giving the dragon a name— Aithusa , meaning "Light of the Sun"—Merlin calls it into the world.
: While Arthur sets out to destroy the egg to finish his father's work of purging magic, Merlin works secretly to ensure the dragon's survival.