Queen Morgana starts a reign of evil over everybody in Camelot. Morgause's immortal army help her keep command and it looks like there is no hope for Uther. Arthur regains his strength and Gwaine, Lancelot, Elyan and Percival attempt to help him with a counter attack. Merlin attempts to help Arthur reclaim Excalibur from the Lake of Avalon before time runs out to save everyone.
Merlin and Arthur leave for a dangerous mission to capture the Cup of Life. They end up getting captured by unscrupulous slave trader called Jarl. The cup ends up falling into Morgause's hands. Morgause and Morgana hope they can get rid of Uther once and for all.
Camelot's legendary tournament has just one rule which is there are no rules. Terrifying warriors fill the city and Gilli decides to join the action. Gilli starts to realise the full potential of his powers which leaves Merlin feeling torn. Gilli is not only putting his own life in danger but his actions threaten to destroy Camelot. Merlin attempts to make Gilli see sense before it is too late
Morgana has dreams about Guinevere becoming Queen of Camelot. Morgause encourages her to reveal Arthur and Gwen's relationship to Uther, who decides to make sure they never marry. Arthur decides to leave with her after his father banishes Gwen from the kingdom. Merlin has to risk everything after Morgana causes more problems for Gwen.
Watch Merlin Season 3 Episode 9 - Love in the Time of Dragons
Alice, an old flame of Gaius’ shows up in Camelot and Merlin is happy to see another side to his mentor. After find out out though that she is under the influence of a Manticore, Merlin ends up having has no choice but to tell Gaius of her evil intentions. Gaius and Merlin end up falling out when Gaius refuses to believe the truth about Alice.
Watch Merlin Season 3 Episode 8 - The Eye Of The Phoenix Arthur leases with a solitary quest to retrieve the Golden Trident with the Fisher King so that he cam prove that he could be worthy of being the future king of Camelot. Morgana decides that she has a chance to use her dark magic and she ultimately ends up gives him a precious bracelet comprising a Phoenix Eye which puts him at risk. Merlin with Gwaine's help tries of saving Arthur.
Watch Merlin Season 3 Episode 7 - The Castle of Fyrien Gwen finds herself facing an impossible dilemma when she has to to choose between saving the lives of her estranged brother, Elyan, or Arthur. One of them seems certain to die at the hands of Cenred as Gwen faces an impossible decision.
Watch Merlin Season 3 Episode 6 - The Changeling Allison's investigation of a missing girl's murder may have a link to Scanlon's late brother, which further erodes her relationship with Lee. Bridgette and Marie must deal with Ariel heading off to college.
Watch Merlin Season 3 Episode 5 - The Crystal Cave The has been no news on Lady Morgana since she disappeared a year ago. Merlin and Arthur get a lead though but they attacked by some bandits but Merlin's secret magic saves the day. A bruised and bloodied figure approaches the group who turns out to be Lady Morgana.
Watch Merlin Season 3 Episode 4 - Gwaine Merlin and Arthur find themselves outnumbered when a brawl breaking out in a tavern and they finds themselves being helped by a brave young man called Gwaine. He ends up risking his life to protect Arthur and is seriously hurt in the process.
Watch Merlin Season 3 Episode 3 - Goblin’s Gold After Merlin discovers a secret chamber, he ends up accidentally releasing a goblin. The mischievous creature possesses Gaius, leading to develop a taste for gold, ale and magical jokes. Merlin has to banish the goblin back to where he came from before any real damage can be done.
Watch Merlin Season 3 Episode 2 - The Tears of Uther Pendragon – Part Two Merlin finds it hard to recover from the serket's poison. Morgana and Morgause step up their plans for the invasion of Camelot whilst he is out of action. Morgause continues to manipulate Cenred, as he prepares to launch an attack on the citadel. Morgana receives a powerfully enchanted rowan staff from Morgause to help her in her magical treachery.
Watch Merlin Season 3 Episode 1 - The Tears of Uther Pendragon – Part 1 The has been no news on Lady Morgana since she disappeared a year ago. Merlin and Arthur get a lead though but they attacked by some bandits but Merlin's secret magic saves the day. A bruised and bloodied figure approaches the group who turns out to be Lady Morgana.