Lancelot is banished from Camelot because King Arthur thinks he made a false claim against King Marhaus. Outside Camelot, Lancelot encounters Marhaus and discovers and evil plot.

On St. Stephen's Day, King Arthur and his knights traditionally change places for one day with the court squires. During the day, one of the ""squires-for-a-day"" steals the Sword of Excalibur.

A young knight's prospective father-in-law has been kidnapped and is being held prisoner. Sir Lancelot agrees to help the knight rescue the man.

King Arthur learns that a nearby village is being terrorized by a horrible monster. Sir Lancelot is sent to investigate. He discovers that the monster is really a Viking boat, and that it's the Vikings who are doing the terrorizing.

A woman claiming mystical powers has convinced King Bors of Sagitaw that she is working evil against him. Sir Lancelot enlists Merlin's aid against her powers.

After their father dies, two sisters inherit his tiny impoverished kingdom. Their guardian is eager to set up a rich marriage for the older girl, but she is not willing.

After the death of a knight of the Round Table, a young man enters a tournament that will decide who will fill the vacancy. But the other knights object to the young contestant because of his shabby appearance. Sir Lancelot intercedes for him.