The Third Mage?

is episode 7 of Magical Girl Lyrical Nanoha. It was originally broadcast on November 12, 2004.

Precia Testarossa, Fate's mother and the real villain, is revealed, and she is seeking the Jewel Seeds to go to Al-Hazard. Nanoha and Fate fight again, but the two are interrupted by Chrono Harlaown, a mage from the Time-Space Administration Bureau.