What does sir Lancelot do to aid king bagdemagus in Sir Launcelot du lake?

In "Sir Launcelot du Lake," Sir Lancelot aids King Bagdemagus by rescuing him from the clutches of his enemies. During a tournament, Lancelot fights valiantly, showcasing his bravery and skill. His assistance not only helps Bagdemagus regain his honor but also strengthens their alliance. This act of chivalry further cements Lancelot's reputation as one of the greatest knights of the Round Table.