Gwaine (S03E04)

In a bar brawl, Merlin and Arthur find themselves outmatched until a mysterious young man named Gwaine intervenes to help them. He bravely defends Arthur but suffers serious injuries in the process. Concerned for his well-being, Arthur decides to bring Gwaine back to Camelot for Gaius to treat him. Once there, Gwaine quickly gets into mischief, indulging in drinks and charming the local women, much to Merlin's frustration, as he’s tasked with keeping an eye on him. When two unscrupulous knights plot to assassinate Arthur, will Merlin and Gwaine join forces to thwart the deadly scheme?