Damnation (2017)

S6E8 Sword and the City

The Lady of the Lake summons the Charmed Ones to safeguard Excalibur, the fabled Sword in the Stone. As the sisters prepare, a host of magical creatures flock to the manor, each eager to lift the sword from the stone. In a surprising turn of events, it’s Piper who successfully extracts Excalibur, leading to the unexpected arrival of a mysterious figure.